Holt Mathematics Course 2 Countdown to CRCT Transparencies Copyright © by Holt, Rinehart and Winston All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Teachers using Holt Mathematics may photocopy complete pages in sufficient quantities for classroom use only and not for resale. Holt and the “Owl Design” are trademarks licensed to Holt, Reinhart and Winston, registered in the United States of America and/or other jurisdictions. Printed in the United States of America If you have received these materials as examination copies free of charge, Holt, Rinehart and Winston retains title to the materials and they may not be resold. Resale of examination copies is strictly prohibited and is illegal. Possession of this publication in print format does not entitle users to convert this publication, or any portion of it, into electronic format. ISBN 0-03-093740-X 1 2 3 4 5 6 7 8 9 500 10 09 08 07 06 Countdown to CRCT WEEK 1 Day 1 Mr. Johnson’s class recorded the amount of rainfall each day last week. Order the number of inches from least to greatest. Day Rainfall (in.) A B C D Day 2 T 0.05 W 1.2 Th 1.04 F 0.021 0.1, 0.021, 1.2, 1.04, 0.05 0.05, 0.021, 0.1, 1.04, 1.2 0.021, 0.05, 0.1, 1.04, 1.2 0.021, 0.05, 0.1, 1.2, 1.04 Chuck is 2 inches shorter than his sister, Jan. If j is Jan’s height, which of the following is Chuck’s height? F G H J Day 3 M 0.1 2-j j+2 2j j-2 After the game, the coach is taking the team out to the restaurant that is closest to the ﬁeld. The table below shows the distances from the ﬁeld to each restaurant. Where is the team going? A B C D Distance from the Baseball Field Restaurant Distance (mi) Frozen Fun 3_14_ Burger Bonanza 2_78_ Hot Dog Hut 2_35_ Pizza Palace 2 2__ 10 Frozen Fun Burger Bonanza Hot Dog Hut Pizza Palace Copyright © by Holt, Rinehart and Winston. All rights reserved. 1 Holt Mathematics Course 2 Countdown to CRCT WEEK 1 Day 1 Mr. Johnson’s class recorded the amount of rainfall each day last week. Order the number of inches from least to greatest. Day Rainfall (in.) A B C D Day 2 T 0.05 W 1.2 Th 1.04 F 0.021 0.1, 0.021, 1.2, 1.04, 0.05 0.05, 0.021, 0.1, 1.04, 1.2 0.021, 0.05, 0.1, 1.04, 1.2 0.021, 0.05, 0.1, 1.2, 1.04 Chuck is 2 inches shorter than his sister, Jan. If j is Jan’s height, which of the following is Chuck’s height? F G H J Day 3 M 0.1 2-j j+2 2j j-2 After the game, the coach is taking the team out to the restaurant that is closest to the ﬁeld. The table below shows the distances from the ﬁeld to each restaurant. Where is the team going? A B C D Distance from the Baseball Field Restaurant Distance (mi) Frozen Fun 3_14_ Burger Bonanza 2_78_ Hot Dog Hut 2_35_ Pizza Palace 2 2__ 10 Frozen Fun Burger Bonanza Hot Dog Hut Pizza Palace Copyright © by Holt, Rinehart and Winston. All rights reserved. 1 Holt Mathematics Course 2 Countdown to CRCT WEEK 1 Day 4 Evaluate the expression 3 - 7. F G H J Day 5 -4 -3 4 7 Which expression represents the perimeter of the rectangle? A B C D 2x + 3 4x + 6 x+6 4x + 3 Copyright © by Holt, Rinehart and Winston. All rights reserved. xⴙ3 x x xⴙ3 2 Holt Mathematics Course 2 Countdown to CRCT WEEK 1 Day 4 Evaluate the expression 3 - 7. F G H J Day 5 -4 -3 4 7 Which expression represents the perimeter of the rectangle? A B C D 2x + 3 4x + 6 x+6 4x + 3 Copyright © by Holt, Rinehart and Winston. All rights reserved. xⴙ3 x x xⴙ3 2 Holt Mathematics Course 2 Countdown to CRCT WEEK 2 Day 1 What point is located at (3, 5) on this coordinate plane? y 4 3 2 1 ⴚ4 ⴚ3 ⴚ2ⴚ1 O ⴚ1 ⴚ2 ⴚ3 ⴚ4 A B C D Day 2 Day 3 D C A x 1 2 3 4 A B C D Use the table of Andrea’s chores. How much time does it take Andrea to complete all three chores? F G H J B 1.6 hours 1.7 hours 2.5 hours 2.6 hours Andrea’s Chores Chore Time (hours) Mow lawn 1.35 Do dishes 0.25 Clean room 0.9 When Kit woke up, it was –15°C outside. By that afternoon, the temperature had risen 20 degrees. What was the afternoon temperature? A B C D –5°C 5°C 20°C 35°C Copyright © by Holt, Rinehart and Winston. All rights reserved. 3 Holt Mathematics Course 2 Countdown to CRCT WEEK 2 Day 1 What point is located at (3, 5) on this coordinate plane? y 4 3 2 1 ⴚ4 ⴚ3 ⴚ2ⴚ1 O ⴚ1 ⴚ2 ⴚ3 ⴚ4 A B C D Day 2 Day 3 D C A x 1 2 3 4 A B C D Use the table of Andrea’s chores. How much time does it take Andrea to complete all three chores? F G H J B 1.6 hours 1.7 hours 2.5 hours 2.6 hours Andrea’s Chores Chore Time (hours) Mow lawn 1.35 Do dishes 0.25 Clean room 0.9 When Kit woke up, it was –15°C outside. By that afternoon, the temperature had risen 20 degrees. What was the afternoon temperature? A B C D –5°C 5°C 20°C 35°C Copyright © by Holt, Rinehart and Winston. All rights reserved. 3 Holt Mathematics Course 2 Countdown to CRCT WEEK 2 Day 4 Admission to Fun Zone costs $5. Each ride costs $3. Yvonne visits Fun Zone and goes on x rides. Which expression gives her total cost? F G H J Day 5 3x + 5 8x 5x + 3 5 + 8x Which of the following expressions is equivalent to 3(m - 4)? A B C D 3m - 4 3(4 - m) 3m - 12 3+m-4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 4 Holt Mathematics Course 2 Countdown to CRCT WEEK 2 Day 4 Admission to Fun Zone costs $5. Each ride costs $3. Yvonne visits Fun Zone and goes on x rides. Which expression gives her total cost? F G H J Day 5 3x + 5 8x 5x + 3 5 + 8x Which of the following expressions is equivalent to 3(m - 4)? A B C D 3m - 4 3(4 - m) 3m - 12 3+m-4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 4 Holt Mathematics Course 2 Countdown to CRCT WEEK 3 Day 1 Sue needed 3_27 yards of fringe to trim each drape. If she had 8 drapes to trim, how much fringe did she need? A 4 _67 yards B 11_27 yards C 24 _37 yards D 26 _27 yards Day 2 Which of the following is equal to 3? F G H J Day 3 -2 - 1 -2 + 1 1 - 2 -1 + 2 y Which point is described by the ordered pair (2, -2)? A B C D B 2 B D E F Copyright © by Holt, Rinehart and Winston. All rights reserved. 4 A x E O ⫺4 C 2 4 F D ⫺4 5 Holt Mathematics Course 2 Countdown to CRCT WEEK 3 Day 1 Sue needed 3_27 yards of fringe to trim each drape. If she had 8 drapes to trim, how much fringe did she need? A 4 _67 yards B 11_27 yards C 24 _37 yards D 26 _27 yards Day 2 Which of the following is equal to 3? F G H J Day 3 -2 - 1 -2 + 1 1 - 2 -1 + 2 y Which point is described by the ordered pair (2, -2)? A B C D B 2 B D E F Copyright © by Holt, Rinehart and Winston. All rights reserved. 4 A x E O ⫺4 C 2 4 F D ⫺4 5 Holt Mathematics Course 2 Countdown to CRCT WEEK 3 Day 4 Find the sum of 3x - 4 and x + 7. F G H J Day 5 3x + 7 4x + 11 4x + 3 4x - 11 Sam is growing a tomato plant in his garden. Last week, Sam picked one tomato that had a mass of 213.5 grams and another tomato that has a mass of 190.62 grams. What is the difference in mass of the two tomatoes? A B C D 22.43 grams 22.88 grams 23.05 grams 23.12 grams Copyright © by Holt, Rinehart and Winston. All rights reserved. 6 Holt Mathematics Course 2 Countdown to CRCT WEEK 3 Day 4 Find the sum of 3x - 4 and x + 7. F G H J Day 5 3x + 7 4x + 11 4x + 3 4x - 11 Sam is growing a tomato plant in his garden. Last week, Sam picked one tomato that had a mass of 213.5 grams and another tomato that has a mass of 190.62 grams. What is the difference in mass of the two tomatoes? A B C D 22.43 grams 22.88 grams 23.05 grams 23.12 grams Copyright © by Holt, Rinehart and Winston. All rights reserved. 6 Holt Mathematics Course 2 Countdown to CRCT WEEK 4 Day 1 What is the rule for the pattern in the table below? x y 1 1 2 4 3 7 4 10 A y = 2x + 2 B y = 3x - 2 C y = _2x 5 D y = 2x + 1 Day 2 Day 3 Miguel has 3 times as many stamps in his collection as Robert. Robert has s stamps in his collection. Which expression represents the number of stamps in Miguel’s collection? F _3s H 3s G s+3 J 3-s Mark is researching the effects of diet on mice. The table below shows the percent change in weight of each mouse studied. If the mice weighed the same at the start of the experiment, which mouse lost the most weight? A B C D Mouse 1 2 3 4 % Change in Weight -9.2 3.25 -9.05 -9.095 1 2 3 4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 7 Holt Mathematics Course 2 Countdown to CRCT WEEK 4 Day 1 What is the rule for the pattern in the table below? x y 1 1 2 4 3 7 4 10 A y = 2x + 2 B y = 3x - 2 C y = _2x 5 D y = 2x + 1 Day 2 Day 3 Miguel has 3 times as many stamps in his collection as Robert. Robert has s stamps in his collection. Which expression represents the number of stamps in Miguel’s collection? F _3s H 3s G s+3 J 3-s Mark is researching the effects of diet on mice. The table below shows the percent change in weight of each mouse studied. If the mice weighed the same at the start of the experiment, which mouse lost the most weight? A B C D Mouse 1 2 3 4 % Change in Weight -9.2 3.25 -9.05 -9.095 1 2 3 4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 7 Holt Mathematics Course 2 Countdown to CRCT WEEK 4 Day 4 Which point is at (–5, -_12)? y 8 G F x ⫺8 O J 4 8 H ⫺8 F G H J Day 5 F G H J What is the product of 3.2 and -4.5? A B C D -14.4 -1.3 1.3 14.4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 8 Holt Mathematics Course 2 Countdown to CRCT WEEK 4 Day 4 Which point is at (–5, -_12)? y 8 G F x ⫺8 O J 4 8 H ⫺8 F G H J Day 5 F G H J What is the product of 3.2 and -4.5? A B C D -14.4 -1.3 1.3 14.4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 8 Holt Mathematics Course 2 Countdown to CRCT WEEK 5 Day 1 A manufacturer of doll clothes produces more white dresses than blue dresses by a factor of 3.5. Given b, the number of blue dresses produced, which equation shows w, the number of white dresses produced? A w = b 3.5 3.5 B w = ___ b C w = 3.5b D w = 3.5 + b Day 2 If these two ﬁgures are similar, what is the missing length of ﬁgure B? 15.5 cm 5 cm 5 cm 10 cm A 12 cm 15.5 cm 31 cm B x cm F G H J Day 3 3.1 centimeters 22.5 centimeters 25.2 centimeters 37.2 centimeters Mrs. Robbins is knitting a scarf for her niece. She knitted 1_78 feet yesterday and 1_23 feet today. How many feet did Mrs. Robbins knit in both days? 5 foot A ___ 24 B 1_3_ feet 4 9 feet C 2___ 11 13 feet D 3___ 24 Copyright © by Holt, Rinehart and Winston. All rights reserved. 9 Holt Mathematics Course 2 Countdown to CRCT WEEK 5 Day 1 A manufacturer of doll clothes produces more white dresses than blue dresses by a factor of 3.5. Given b, the number of blue dresses produced, which equation shows w, the number of white dresses produced? A w = b 3.5 3.5 B w = ___ b C w = 3.5b D w = 3.5 + b Day 2 If these two ﬁgures are similar, what is the missing length of ﬁgure B? 15.5 cm 5 cm 5 cm 10 cm A 12 cm 15.5 cm 31 cm B x cm F G H J Day 3 3.1 centimeters 22.5 centimeters 25.2 centimeters 37.2 centimeters Mrs. Robbins is knitting a scarf for her niece. She knitted 1_78 feet yesterday and 1_23 feet today. How many feet did Mrs. Robbins knit in both days? 5 foot A ___ 24 B 1_3_ feet 4 9 feet C 2___ 11 13 feet D 3___ 24 Copyright © by Holt, Rinehart and Winston. All rights reserved. 9 Holt Mathematics Course 2 Countdown to CRCT WEEK 5 Day 4 Evaluate the expression 2 - 9. F G H J Day 5 -11 -7 7 11 What is the price of the most expensive TV? $199 $199 .95 $189 .50 A B C D $199 .89 .99 $198 .90 $199.89 $199.99 $189.50 $198.90 Copyright © by Holt, Rinehart and Winston. All rights reserved. 10 Holt Mathematics Course 2 Countdown to CRCT WEEK 5 Day 4 Evaluate the expression 2 - 9. F G H J Day 5 -11 -7 7 11 What is the price of the most expensive TV? $199 $199 .95 $189 .50 A B C D $199 .89 .99 $198 .90 $199.89 $199.99 $189.50 $198.90 Copyright © by Holt, Rinehart and Winston. All rights reserved. 10 Holt Mathematics Course 2 Countdown to CRCT WEEK 6 Day 1 Find the sum of 5m - 11 and 2m + 3. A B C D Day 2 What is the solution of the equation x - 2.5 = 6.1? F G H J Day 3 7m - 14 3m - 14 7m - 8 3m + 8 x = 3.6 x = 4.1 x = 6.1 x = 8.6 Which two of the ﬁgures below are similar? Figure B Figure A 10 ft 4 ft 5 ft A B C D 4 ft 3 ft Figure C Figure D 6 ft 4 ft 2 ft Figures A and D Figures A and B Figures B and D Figures B and C Copyright © by Holt, Rinehart and Winston. All rights reserved. 11 Holt Mathematics Course 2 Countdown to CRCT WEEK 6 Day 1 Find the sum of 5m - 11 and 2m + 3. A B C D Day 2 What is the solution of the equation x - 2.5 = 6.1? F G H J Day 3 7m - 14 3m - 14 7m - 8 3m + 8 x = 3.6 x = 4.1 x = 6.1 x = 8.6 Which two of the ﬁgures below are similar? Figure B Figure A 10 ft 4 ft 5 ft A B C D 4 ft 3 ft Figure C Figure D 6 ft 4 ft 2 ft Figures A and D Figures A and B Figures B and D Figures B and C Copyright © by Holt, Rinehart and Winston. All rights reserved. 11 Holt Mathematics Course 2 Countdown to CRCT WEEK 6 Day 4 Which point lies in Quadrant II of the coordinate plane? F G H J Day 5 (3, 5) (-4, -1) (-6, 2) (4, -4) Ryan is making 7_12 cups of rice to serve at dinner with his friends. If he wants to give _34 cup of rice to each guest, how many people will the rice serve? A B C D 8 10 12 14 Copyright © by Holt, Rinehart and Winston. All rights reserved. 12 Holt Mathematics Course 2 Countdown to CRCT WEEK 6 Day 4 Which point lies in Quadrant II of the coordinate plane? F G H J Day 5 (3, 5) (-4, -1) (-6, 2) (4, -4) Ryan is making 7_12 cups of rice to serve at dinner with his friends. If he wants to give _34 cup of rice to each guest, how many people will the rice serve? A B C D 8 10 12 14 Copyright © by Holt, Rinehart and Winston. All rights reserved. 12 Holt Mathematics Course 2 Countdown to CRCT WEEK 7 Day 1 Day 2 Which pair of triangles are similar? A C B D F G H J Day 3 y Which point is described by the ordered pair (-1, -1)? B D E F A B 4 2 F E x ⫺4 ⫺2 C O 2 4 D ⫺2 ⫺4 The Gordon family is driving to the Grand Canyon from Lubbock, Texas. If they drive an average of 55 miles per hour for h hours, which equation shows d, the distance they traveled? A d = 55h B d = 55 h h C d = ___ 55 D d = 55 + h Copyright © by Holt, Rinehart and Winston. All rights reserved. 13 Holt Mathematics Course 2 Countdown to CRCT WEEK 7 Day 1 Day 2 Which pair of triangles are similar? A C B D F G H J Day 3 y Which point is described by the ordered pair (-1, -1)? B D E F A B 4 2 F E x ⫺4 ⫺2 C O 2 4 D ⫺2 ⫺4 The Gordon family is driving to the Grand Canyon from Lubbock, Texas. If they drive an average of 55 miles per hour for h hours, which equation shows d, the distance they traveled? A d = 55h B d = 55 h h C d = ___ 55 D d = 55 + h Copyright © by Holt, Rinehart and Winston. All rights reserved. 13 Holt Mathematics Course 2 Countdown to CRCT WEEK 7 Day 4 The expression 2.5n + 7 gives the cost in dollars of printing n posters at Copy Magic. How much does it cost to print 8 posters? F G H J Day 5 $17.50 $20 $27 $37.50 Find the quotient: 8.4 ÷ (-2) A B C D -6.4 -4.2 4.2 6.4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 14 Holt Mathematics Course 2 Countdown to CRCT WEEK 7 Day 4 The expression 2.5n + 7 gives the cost in dollars of printing n posters at Copy Magic. How much does it cost to print 8 posters? F G H J Day 5 $17.50 $20 $27 $37.50 Find the quotient: 8.4 ÷ (-2) A B C D -6.4 -4.2 4.2 6.4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 14 Holt Mathematics Course 2 Countdown to CRCT WEEK 8 Day 1 Day 2 Which pair contains similar ﬁgures? A C B D Which equation is shown in the graph? F G H J y=x y=x-1 y = 2x y=x+1 5 y x ⫺5 O 5 ⫺5 Day 3 A computer’s hard drive spins at 5400 revolutions per minute. If the hard drive has been running for m minutes, which equation shows r, the total number of revolutions? A r = m + 5400 B r = 5400 m C r = m ÷ 5400 5400 D r = _____ m Copyright © by Holt, Rinehart and Winston. All rights reserved. 15 Holt Mathematics Course 2 Countdown to CRCT WEEK 8 Day 1 Day 2 Which pair contains similar ﬁgures? A C B D Which equation is shown in the graph? F G H J y=x y=x-1 y = 2x y=x+1 5 y x ⫺5 O 5 ⫺5 Day 3 A computer’s hard drive spins at 5400 revolutions per minute. If the hard drive has been running for m minutes, which equation shows r, the total number of revolutions? A r = m + 5400 B r = 5400 m C r = m ÷ 5400 5400 D r = _____ m Copyright © by Holt, Rinehart and Winston. All rights reserved. 15 Holt Mathematics Course 2 Countdown to CRCT WEEK 8 Day 4 Frank received the following test scores: 90, 82, 90, 93, 85. What is the range of his scores? F G H J Day 5 5 82 11 90 Which of the following is greater than 5? A B C D -3 3 -6 5 Copyright © by Holt, Rinehart and Winston. All rights reserved. 16 Holt Mathematics Course 2 Countdown to CRCT WEEK 8 Day 4 Frank received the following test scores: 90, 82, 90, 93, 85. What is the range of his scores? F G H J Day 5 5 82 11 90 Which of the following is greater than 5? A B C D -3 3 -6 5 Copyright © by Holt, Rinehart and Winston. All rights reserved. 16 Holt Mathematics Course 2 Countdown to CRCT WEEK 9 Day 1 What is the mean number of candles sold per month? A B C D Candles Sold Per Month 25 35 40 45 Jan. Feb. Mar. Apr. = 5 candles Day 2 Which equation represents the relationship in the table? x y 6 3 8 5 11 8 12 9 F y=x-3 G y=3-x H y = _x_ 2 J y=x+3 Day 3 What is the solution of the equation m + 4.5 = 2? A B C D m = -6.5 m = -2.5 m = 2.5 m = 6.5 Copyright © by Holt, Rinehart and Winston. All rights reserved. 17 Holt Mathematics Course 2 Countdown to CRCT WEEK 9 Day 1 What is the mean number of candles sold per month? A B C D Candles Sold Per Month 25 35 40 45 Jan. Feb. Mar. Apr. = 5 candles Day 2 Which equation represents the relationship in the table? x y 6 3 8 5 11 8 12 9 F y=x-3 G y=3-x H y = _x_ 2 J y=x+3 Day 3 What is the solution of the equation m + 4.5 = 2? A B C D m = -6.5 m = -2.5 m = 2.5 m = 6.5 Copyright © by Holt, Rinehart and Winston. All rights reserved. 17 Holt Mathematics Course 2 Countdown to CRCT WEEK 9 Day 4 Which expression gives the perimeter of the triangle? xⴙ3 xⴚ1 xⴙ2 F G H J Day 5 x+6 x+4 3x + 6 3x + 4 Louis received the following scores on his English quizzes this semester: 95, 95, 80, 70, 60. Which description of this data set would make Louis’ results look best? A B C D the mean of his scores the median of his scores the mode of his scores the range of his scores Copyright © by Holt, Rinehart and Winston. All rights reserved. 18 Holt Mathematics Course 2 Countdown to CRCT WEEK 9 Day 4 Which expression gives the perimeter of the triangle? xⴙ3 xⴚ1 xⴙ2 F G H J Day 5 x+6 x+4 3x + 6 3x + 4 Louis received the following scores on his English quizzes this semester: 95, 95, 80, 70, 60. Which description of this data set would make Louis’ results look best? A B C D the mean of his scores the median of his scores the mode of his scores the range of his scores Copyright © by Holt, Rinehart and Winston. All rights reserved. 18 Holt Mathematics Course 2 Countdown to CRCT WEEK 10 Day 1 Naomi surveyed a group of people about their favorite movie genre: comedy, drama, action, musical, or science-ﬁction. Which of the following would be the best way for Naomi to display her results? A B C D Day 2 The expression 150m + 40 gives the number of granola bars produced in m minutes at a factory. The expression 200m - 30 gives the number of raisin clusters produced in m minutes at the factory. Which expression gives the total number of snacks produced in m minutes? F G H J Day 3 line graph line plot circle graph scatter plot 50m + 70 350m + 10 150m - 10 350m - 70 Which equation is shown in the graph? A B C D y = -x y=x y=x-1 y = -x + 1 5 y x ⫺5 O 5 ⫺5 Copyright © by Holt, Rinehart and Winston. All rights reserved. 19 Holt Mathematics Course 2 Countdown to CRCT WEEK 10 Day 1 Naomi surveyed a group of people about their favorite movie genre: comedy, drama, action, musical, or science-ﬁction. Which of the following would be the best way for Naomi to display her results? A B C D Day 2 The expression 150m + 40 gives the number of granola bars produced in m minutes at a factory. The expression 200m - 30 gives the number of raisin clusters produced in m minutes at the factory. Which expression gives the total number of snacks produced in m minutes? F G H J Day 3 line graph line plot circle graph scatter plot 50m + 70 350m + 10 150m - 10 350m - 70 Which equation is shown in the graph? A B C D y = -x y=x y=x-1 y = -x + 1 5 y x ⫺5 O 5 ⫺5 Copyright © by Holt, Rinehart and Winston. All rights reserved. 19 Holt Mathematics Course 2 Countdown to CRCT WEEK 10 Day 4 The data set shows the number of hours that several students spent studying for an exam. What is the range for this data set? 3.5, 1.5, 2, 4, 3.5, 2, 2.5, 3.5 F G H J Day 5 0.5 1.5 2.5 3.5 Which of the following statements is NOT true? A If two ﬁgures are congruent, then they have the same size. B If two ﬁgures are congruent, then they are also similar. C If two ﬁgures are similar, then they are also congruent. D If two ﬁgures are similar, then they have the same shape. Copyright © by Holt, Rinehart and Winston. All rights reserved. 20 Holt Mathematics Course 2 Countdown to CRCT WEEK 10 Day 4 The data set shows the number of hours that several students spent studying for an exam. What is the range for this data set? 3.5, 1.5, 2, 4, 3.5, 2, 2.5, 3.5 F G H J Day 5 0.5 1.5 2.5 3.5 Which of the following statements is NOT true? A If two ﬁgures are congruent, then they have the same size. B If two ﬁgures are congruent, then they are also similar. C If two ﬁgures are similar, then they are also congruent. D If two ﬁgures are similar, then they have the same shape. Copyright © by Holt, Rinehart and Winston. All rights reserved. 20 Holt Mathematics Course 2 Countdown to CRCT WEEK 11 Day 1 What is the mode of this set of data? x x x x x x x x 1 4 A B C D Day 2 2 3 1 2 3 4 Dante recorded the following information about a seedling’s growth for science class. How many inches did the seedling grow in three weeks? Week Inches Grown 1 2 3 _7_ _5_ 7 __ 6 24 8 F 1_1_ inches 6 17 inches G 1___ 24 H 2 inches J 48 inches Day 3 The two rectangles are similar. Which of the following could be the value of x? 2.4 3.6 3.6 A B C D x 2.8 3.6 4.8 5.4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 21 Holt Mathematics Course 2 Countdown to CRCT WEEK 11 Day 1 What is the mode of this set of data? x x x x x x x x 1 4 A B C D Day 2 2 3 1 2 3 4 Dante recorded the following information about a seedling’s growth for science class. How many inches did the seedling grow in three weeks? Week Inches Grown 1 2 3 7 _ 5 _ 7 __ 6 24 8 F 1_1_ inches 6 17 inches G 1___ 24 H 2 inches J 48 inches Day 3 The two rectangles are similar. Which of the following could be the value of x? 2.4 3.6 3.6 A B C D x 2.8 3.6 4.8 5.4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 21 Holt Mathematics Course 2 Countdown to CRCT WEEK 11 Day 4 Tamara records the high temperature for each day this month. Which would be the most appropriate way for Tamara to display the data if she wants to see the change in temperature over time? F G H J Day 5 circle graph line plot line graph scatter plot What is the solution of the equation 15 = -3x? A B C D x = 18 x = -12 x = -5 x=5 Copyright © by Holt, Rinehart and Winston. All rights reserved. 22 Holt Mathematics Course 2 Countdown to CRCT WEEK 11 Day 4 Tamara records the high temperature for each day this month. Which would be the most appropriate way for Tamara to display the data if she wants to see the change in temperature over time? F G H J Day 5 circle graph line plot line graph scatter plot What is the solution of the equation 15 = -3x? A B C D x = 18 x = -12 x = -5 x=5 Copyright © by Holt, Rinehart and Winston. All rights reserved. 22 Holt Mathematics Course 2 Countdown to CRCT WEEK 12 Day 1 If ﬁgure FGHJ is reﬂected across the x-axis, what will the new coordinates of J be? y G 4 F 2 x ⫺4 O ⫺2 J 2 4 ⫺2 ⫺4 H C (-3, -2) D (2, -3) A (-3, 2) B (3, -2) Day 2 The frequency table shows the number of days of rain in each month for one year. Which of the following is the most appropriate way to represent this data? Days of Rain Frequency F G H J Day 3 0–2 3–5 6–8 9–11 4 6 2 0 histogram bar graph circle graph line plot Rebecca is 5 years older than twice Maria’s age. If Maria’s age is m, which expression gives Rebecca’s age? A B C D 2(m + 5) 5 - 2m 2m + 5 5m + 2 Copyright © by Holt, Rinehart and Winston. All rights reserved. 23 Holt Mathematics Course 2 Countdown to CRCT WEEK 12 Day 1 If ﬁgure FGHJ is reﬂected across the x-axis, what will the new coordinates of J be? y G 4 F 2 x ⫺4 O ⫺2 J 2 4 ⫺2 ⫺4 H C (-3, -2) D (2, -3) A (-3, 2) B (3, -2) Day 2 The frequency table shows the number of days of rain in each month for one year. Which of the following is the most appropriate way to represent this data? Days of Rain Frequency F G H J Day 3 0–2 3–5 6–8 9–11 4 6 2 0 histogram bar graph circle graph line plot Rebecca is 5 years older than twice Maria’s age. If Maria’s age is m, which expression gives Rebecca’s age? A B C D 2(m + 5) 5 - 2m 2m + 5 5m + 2 Copyright © by Holt, Rinehart and Winston. All rights reserved. 23 Holt Mathematics Course 2 Countdown to CRCT WEEK 12 Day 4 Carlos is driving at 55 mi/h. The equation d = 55t gives the distance in miles, d, that he drives in t hours. As the value of the variable t increases, what happens to the value of the variable d? F G H J Day 5 It decreases. It remains the same. It gets closer and closer to 0. It increases. Ravi is studying fruit ﬂies. What is the length of the smallest ﬂy? 2.605 mm A B C D 2.456 mm 2.508 mm 2.6 mm 2.605 mm 2.501 mm 2.6 mm 2.456 mm Copyright © by Holt, Rinehart and Winston. All rights reserved. 24 Holt Mathematics Course 2 Countdown to CRCT WEEK 12 Day 4 Carlos is driving at 55 mi/h. The equation d = 55t gives the distance in miles, d, that he drives in t hours. As the value of the variable t increases, what happens to the value of the variable d? F G H J Day 5 It decreases. It remains the same. It gets closer and closer to 0. It increases. Ravi is studying fruit ﬂies. What is the length of the smallest ﬂy? 2.605 mm A B C D 2.456 mm 2.508 mm 2.6 mm 2.605 mm 2.501 mm 2.6 mm 2.456 mm Copyright © by Holt, Rinehart and Winston. All rights reserved. 24 Holt Mathematics Course 2 Countdown to CRCT WEEK 13 Day 1 Which transformation was used to transform Figure 1 into Figure 2? A B C D Day 2 translation rotation reﬂection dilation Figure 1 Figure 2 If ﬁgure ABCDE is reﬂected across the x-axis, what will the new coordinates of E be? y B C 2 A x O ⫺4 ⫺2 2 4 D E F G H J Day 3 (-2, 3) (2, 3) (-3, 2) (2, -3) The ﬁgure shows the beginning of a compass and straightedge construction. Which construction is it? A B C D copy a line segment bisect an angle copy an angle bisect a line segment Copyright © by Holt, Rinehart and Winston. All rights reserved. 25 Holt Mathematics Course 2 Countdown to CRCT WEEK 13 Day 1 Which transformation was used to transform Figure 1 into Figure 2? A B C D Day 2 translation rotation reﬂection dilation Figure 1 Figure 2 If ﬁgure ABCDE is reﬂected across the x-axis, what will the new coordinates of E be? y B C 2 A x O ⫺4 ⫺2 2 4 D E F G H J Day 3 (-2, 3) (2, 3) (-3, 2) (2, -3) The ﬁgure shows the beginning of a compass and straightedge construction. Which construction is it? A B C D copy a line segment bisect an angle copy an angle bisect a line segment Copyright © by Holt, Rinehart and Winston. All rights reserved. 25 Holt Mathematics Course 2 Countdown to CRCT WEEK 13 Day 4 What is the sum of 3b - 4 and -2b + 7? F G H J Day 5 b+3 5b - 11 -b + 3 -5b - 3 What is the mean of this set of data? 90, 108, 67, 84, 90, 82, 73, 90 A B C D 41 85.5 87 90 Copyright © by Holt, Rinehart and Winston. All rights reserved. 26 Holt Mathematics Course 2 Countdown to CRCT WEEK 13 Day 4 What is the sum of 3b - 4 and -2b + 7? F G H J Day 5 b+3 5b - 11 -b + 3 -5b - 3 What is the mean of this set of data? 90, 108, 67, 84, 90, 82, 73, 90 A B C D 41 85.5 87 90 Copyright © by Holt, Rinehart and Winston. All rights reserved. 26 Holt Mathematics Course 2 Countdown to CRCT WEEK 14 Day 1 Alex is using a compass and straightedge to bisect ∠ABC. He has already completed the work shown in the ﬁgure. Where should he place the point of his compass to continue the construction? A D B C A Point A B Point B Day 2 C Point C D Point D Gena used software to draw Figure 1. Then she used a transformation to create Figure 2. Which transformation did she use? Figure 1 F G H J Day 3 Figure 2 reﬂection rotation dilation translation The line plot shows the daily low temperatures during one week. What is the mean low temperature for the entire week? x x x x x x x 57° 58° 59° 60° 61° 62° A B C D 60°F 61°F 62°F 63°F Copyright © by Holt, Rinehart and Winston. All rights reserved. 27 Holt Mathematics Course 2 Countdown to CRCT WEEK 14 Day 1 Alex is using a compass and straightedge to bisect ∠ABC. He has already completed the work shown in the ﬁgure. Where should he place the point of his compass to continue the construction? A D B C A Point A B Point B Day 2 C Point C D Point D Gena used software to draw Figure 1. Then she used a transformation to create Figure 2. Which transformation did she use? Figure 1 F G H J Day 3 Figure 2 reﬂection rotation dilation translation The line plot shows the daily low temperatures during one week. What is the mean low temperature for the entire week? x x x x x x x 57° 58° 59° 60° 61° 62° A B C D 60°F 61°F 62°F 63°F Copyright © by Holt, Rinehart and Winston. All rights reserved. 27 Holt Mathematics Course 2 Countdown to CRCT WEEK 14 Day 4 Apples cost c dollars per pound. Alison has $10 to spend 10 gives the on apples for holiday pies. The equation n = ___ c number of pounds of apples, n, that Alison can buy. As the cost, c, increases, what happens to the value of the variable n? F G H J Day 5 It decreases. It increases. It does not change. It increases, then decreases. What is the interquartile range for this set of data? 1, 3, 3, 4, 5, 8, 9 A B C D 3 4 5 8 Copyright © by Holt, Rinehart and Winston. All rights reserved. 28 Holt Mathematics Course 2 Countdown to CRCT WEEK 14 Day 4 Apples cost c dollars per pound. Alison has $10 to spend 10 gives the on apples for holiday pies. The equation n = ___ c number of pounds of apples, n, that Alison can buy. As the cost, c, increases, what happens to the value of the variable n? F G H J Day 5 It decreases. It increases. It does not change. It increases, then decreases. What is the interquartile range for this set of data? 1, 3, 3, 4, 5, 8, 9 A B C D 3 4 5 8 Copyright © by Holt, Rinehart and Winston. All rights reserved. 28 Holt Mathematics Course 2 Countdown to CRCT WEEK 15 Day 1 Figures A and B are similar. If the area of Figure A is 218.75 square centimeters, which expression could you use to determine the area of Figure B? Figure A Figure B 17.5 cm A B C D Day 2 218.75 cm2 ? 3.5 cm 17.5 3.5 218.75 25 5 218.75 3.5 17.5 In which of the following is Figure 2 a translation of Figure 1? F H Figure 1 Figure 2 G Figure 2 Figure 1 Figure 2 J Figure 1 Day 3 Figure 1 Figure 2 It costs $6 to join a DVD club. After joining, each DVD costs $12. Which equation shows the total cost, c, of joining the club and buying n DVDs? A B C D c = 12 + 6n c = 6 + 12n c = 18n c = 12n - 6 Copyright © by Holt, Rinehart and Winston. All rights reserved. 29 Holt Mathematics Course 2 Countdown to CRCT WEEK 15 Day 1 Figures A and B are similar. If the area of Figure A is 218.75 square centimeters, which expression could you use to determine the area of Figure B? Figure A Figure B 17.5 cm A B C D Day 2 218.75 cm2 ? 3.5 cm 17.5 3.5 218.75 25 5 218.75 3.5 17.5 In which of the following is Figure 2 a translation of Figure 1? H F Figure 1 Figure 2 G Figure 2 Figure 1 Figure 2 J Figure 1 Day 3 Figure 1 Figure 2 It costs $6 to join a DVD club. After joining, each DVD costs $12. Which equation shows the total cost, c, of joining the club and buying n DVDs? A B C D c = 12 + 6n c = 6 + 12n c = 18n c = 12n - 6 Copyright © by Holt, Rinehart and Winston. All rights reserved. 29 Holt Mathematics Course 2 Countdown to CRCT WEEK 15 Day 4 The data set shows Ashley’s scores on her history exams. What is the interquartile range of the data set? 79, 82, 82, 84, 88, 92, 97, 97, 97, 99, 100 F G H J Day 5 5 10 15 21 Which expression is equivalent to -2(x + 3)? A B C D -2x - 6 -2x + 3 -2x + 1 -2x - 5 Copyright © by Holt, Rinehart and Winston. All rights reserved. 30 Holt Mathematics Course 2 Countdown to CRCT WEEK 15 Day 4 The data set shows Ashley’s scores on her history exams. What is the interquartile range of the data set? 79, 82, 82, 84, 88, 92, 97, 97, 97, 99, 100 F G H J Day 5 5 10 15 21 Which expression is equivalent to -2(x + 3)? A B C D -2x - 6 -2x + 3 -2x + 1 -2x - 5 Copyright © by Holt, Rinehart and Winston. All rights reserved. 30 Holt Mathematics Course 2 Countdown to CRCT WEEK 16 Day 1 Which conclusion can you draw based on the data in this scatter plot? Heating Cost (dollars) 2000 1600 1200 800 400 2 4 6 8 10 Area (thousands of square feet) A The smaller the area, the more expensive the heating costs. B Heating costs remain constant. C The scatter plot does not show a trend. D The larger the area, the greater the heating costs. Day 2 If ﬁgure ABCD is reﬂected across the y-axis, what will the new coordinates of D be? F G H J Day 3 2 D ⫺4 x C ⫺2 O 2 4 ⫺2 ⫺4 6 in. 8 in. 9 in. 10 in. Copyright © by Holt, Rinehart and Winston. All rights reserved. 4 B A (3, 1) (2, 2) (-3, -1) (-3, 1) Triangle ABC is similar to triangle DEF. What _ is the length of side DE? A B C D y 31 D A ? 6 in. B 8 in. C E 12 in. F Holt Mathematics Course 2 Countdown to CRCT WEEK 16 Day 1 Which conclusion can you draw based on the data in this scatter plot? Heating Cost (dollars) 2000 1600 1200 800 400 2 4 6 8 10 Area (thousands of square feet) A The smaller the area, the more expensive the heating costs. B Heating costs remain constant. C The scatter plot does not show a trend. D The larger the area, the greater the heating costs. Day 2 If ﬁgure ABCD is reﬂected across the y-axis, what will the new coordinates of D be? F G H J Day 3 2 D ⫺4 x C ⫺2 O 2 4 ⫺2 ⫺4 6 in. 8 in. 9 in. 10 in. Copyright © by Holt, Rinehart and Winston. All rights reserved. 4 B A (3, 1) (2, 2) (-3, -1) (-3, 1) Triangle ABC is similar to triangle DEF. What _ is the length of side DE? A B C D y 31 D A ? 6 in. B 8 in. C E 12 in. F Holt Mathematics Course 2 Countdown to CRCT WEEK 16 Day 4 Chris bought _34 pound of peanuts and ate _12 pound. How many pounds of peanuts remain? F _1_ pound 8 G _1_ pound 4 H _1_ pound 2 J 1_1_ pounds 4 Day 5 Kyle is recording the speed of cars as they pass by his house. Which of the following is the most appropriate way for Kyle to display his data? A B C D bar graph histogram line graph scatter plot Copyright © by Holt, Rinehart and Winston. All rights reserved. 32 Holt Mathematics Course 2 Countdown to CRCT WEEK 16 Day 4 Chris bought _34 pound of peanuts and ate _12 pound. How many pounds of peanuts remain? F _1_ pound 8 G _1_ pound 4 H _1_ pound 2 J 1_1_ pounds 4 Day 5 Kyle is recording the speed of cars as they pass by his house. Which of the following is the most appropriate way for Kyle to display his data? A B C D bar graph histogram line graph scatter plot Copyright © by Holt, Rinehart and Winston. All rights reserved. 32 Holt Mathematics Course 2 Countdown to CRCT WEEK 17 Day 1 The rectangle in the ﬁgure is rotated through space around line 1. Which three-dimensional ﬁgure is formed? 1 A B C D Day 2 At Monster Music, all CDs cost $12. Lara has a coupon for $8 off her total purchase. If Lara buys n CDs, which expression gives her total cost (not including sales taxes)? F G H J Day 3 cone cylinder prism pyramid 8n - 12 12 - 8n 8 - 12n 12n - 8 Steve’s wood-burning stove can heat his house 6°F an hour. He ﬁrst lights the stove at 6:00 AM when it is 52°F. How many hours will it take for the temperature to reach 82°F? Hour Temperature (°F) A B C D 0 52 1 58 2 64 3 4 3 4 5 6 Copyright © by Holt, Rinehart and Winston. All rights reserved. 33 Holt Mathematics Course 2 Countdown to CRCT WEEK 17 Day 1 The rectangle in the ﬁgure is rotated through space around line 1. Which three-dimensional ﬁgure is formed? 1 A B C D Day 2 At Monster Music, all CDs cost $12. Lara has a coupon for $8 off her total purchase. If Lara buys n CDs, which expression gives her total cost (not including sales taxes)? F G H J Day 3 cone cylinder prism pyramid 8n - 12 12 - 8n 8 - 12n 12n - 8 Steve’s wood-burning stove can heat his house 6°F an hour. He ﬁrst lights the stove at 6:00 AM when it is 52°F. How many hours will it take for the temperature to reach 82°F? Hour Temperature (°F) A B C D 0 52 1 58 2 64 3 4 3 4 5 6 Copyright © by Holt, Rinehart and Winston. All rights reserved. 33 Holt Mathematics Course 2 Countdown to CRCT WEEK 17 Day 4 Figure ABCD is dilated by a scale factor of _32. What are the coordinates of C after the dilation? y A 4 B 2 x ⫺4 O ⫺2 2 4 ⫺2 D ⫺4 C F (2, –4) G (0, –4_1_) 2 H (0, -1 _1_) 2 J (0, –2) Day 5 Which conclusion can you draw about worker productivity based on the scatter plot? Units Produced 10 8 6 4 2 2 A B C D 4 6 8 Hours Worked 10 Productivity increases during the work day. There is no trend for productivity in the scatter plot. As the work day progresses, productivity declines. Productivity remains constant during the work day. Copyright © by Holt, Rinehart and Winston. All rights reserved. 34 Holt Mathematics Course 2 Countdown to CRCT WEEK 17 Day 4 Figure ABCD is dilated by a scale factor of _32. What are the coordinates of C after the dilation? y A 4 B 2 x ⫺4 O ⫺2 2 4 ⫺2 D ⫺4 C F (2, –4) G (0, –4_1_) 2 H (0, -1 _1_) 2 J (0, –2) Day 5 Which conclusion can you draw about worker productivity based on the scatter plot? Units Produced 10 8 6 4 2 2 A B C D 4 6 8 Hours Worked 10 Productivity increases during the work day. There is no trend for productivity in the scatter plot. As the work day progresses, productivity declines. Productivity remains constant during the work day. Copyright © by Holt, Rinehart and Winston. All rights reserved. 34 Holt Mathematics Course 2 Countdown to CRCT WEEK 18 Day 1 What kind of correlation would you expect to ﬁnd in a scatter plot comparing people’s ages and favorite colors? A B C D Day 2 A cone is cut by a plane that is parallel to the base of the cone. What shape is the cross section? F G H J Day 3 negative no correlation positive There is not enough information to answer the question. oval circle triangle square The triangle in the ﬁgure is rotated through space around line m. Which three-dimensional ﬁgure is formed? m A B C D pyramid cylinder prism cone Copyright © by Holt, Rinehart and Winston. All rights reserved. 35 Holt Mathematics Course 2 Countdown to CRCT WEEK 18 Day 1 What kind of correlation would you expect to ﬁnd in a scatter plot comparing people’s ages and favorite colors? A B C D Day 2 A cone is cut by a plane that is parallel to the base of the cone. What shape is the cross section? F G H J Day 3 negative no correlation positive There is not enough information to answer the question. oval circle triangle square The triangle in the ﬁgure is rotated through space around line m. Which three-dimensional ﬁgure is formed? m A B C D pyramid cylinder prism cone Copyright © by Holt, Rinehart and Winston. All rights reserved. 35 Holt Mathematics Course 2 Countdown to CRCT WEEK 18 Day 4 Keiko drew Figure 1. Then she used a transformation to make Figure 2. Which transformation did she use? Figure 1 F G H J Day 5 Figure 2 rotation dilation translation none of the above The expression 8n + 15 gives the cost in dollars of printing n custom t-shirts. The expression 3.5 + 2n gives the cost of folding and shipping n t-shirts. Which expression gives the total cost of printing, folding, and shipping n t-shirts? A B C D 11.5n + 17 10n + 18.5 17 + 11.5n 15 + 10n Copyright © by Holt, Rinehart and Winston. All rights reserved. 36 Holt Mathematics Course 2 Countdown to CRCT WEEK 18 Day 4 Keiko drew Figure 1. Then she used a transformation to make Figure 2. Which transformation did she use? Figure 1 F G H J Day 5 Figure 2 rotation dilation translation none of the above The expression 8n + 15 gives the cost in dollars of printing n custom t-shirts. The expression 3.5 + 2n gives the cost of folding and shipping n t-shirts. Which expression gives the total cost of printing, folding, and shipping n t-shirts? A B C D 11.5n + 17 10n + 18.5 17 + 11.5n 15 + 10n Copyright © by Holt, Rinehart and Winston. All rights reserved. 36 Holt Mathematics Course 2 Countdown to CRCT WEEK 19 Day 1 What is the interquartile range of the data set shown in the line plot? x x x x x 10 A B C D Day 2 14 16 18 3 4 5 8 You conduct a survey to see if the number of hours of sleep that people need is related to their age. Which type of graph should you use to help you analyze your data? F G H J Day 3 12 x x line plot circle graph bar graph scatter plot Which two ﬁgures appear to be similar? A B C D Figure 1 and Figure 2 Figure 2 and Figure 3 Figure 1 and Figure 4 Figure 3 and Figure 4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 37 Figure 1 Figure 2 Figure 3 Figure 4 Holt Mathematics Course 2 Countdown to CRCT WEEK 19 Day 1 What is the interquartile range of the data set shown in the line plot? x x x x x 10 A B C D Day 2 14 16 18 3 4 5 8 You conduct a survey to see if the number of hours of sleep that people need is related to their age. Which type of graph should you use to help you analyze your data? F G H J Day 3 12 x x line plot circle graph bar graph scatter plot Which two ﬁgures appear to be similar? A B C D Figure 1 and Figure 2 Figure 2 and Figure 3 Figure 1 and Figure 4 Figure 3 and Figure 4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 37 Figure 1 Figure 2 Figure 3 Figure 4 Holt Mathematics Course 2 Countdown to CRCT WEEK 19 Day 4 A cylinder is cut by a plane that is perpendicular to the bases of the cylinder. What shape is the cross section? F G H J Day 5 rectangle circle triangle parallelogram The point (3, -2) is translated 4 units right and 3 units up. What are the new coordinates of the point? A B C D (-1, 1) (7, 1) (0, -6) (6, 2) Copyright © by Holt, Rinehart and Winston. All rights reserved. 38 Holt Mathematics Course 2 Countdown to CRCT WEEK 19 Day 4 A cylinder is cut by a plane that is perpendicular to the bases of the cylinder. What shape is the cross section? F G H J Day 5 rectangle circle triangle parallelogram The point (3, -2) is translated 4 units right and 3 units up. What are the new coordinates of the point? A B C D (-1, 1) (7, 1) (0, -6) (6, 2) Copyright © by Holt, Rinehart and Winston. All rights reserved. 38 Holt Mathematics Course 2 Countdown to CRCT WEEK 20 Day 1 Which statement about the graph of the equation y = 6x is NOT true? A B C D Day 2 Victor bought a book for $7. He also bought several CDs for $9 each. He spent a total of $43. Which equation could you solve to ﬁnd the number of CDs Victor bought? F G H J Day 3 The graph is a straight line. The graph passes through the origin. Part of the graph lies in Quadrant II. The graph includes the point (2, 12). 43 = 9x - 7 43 = 7 + 9x 43 = 9 + 7x 43 = 7 • 9x The circle in the ﬁgure is rotated through space around line m. Which three-dimensional ﬁgure is formed? m A B C D cone cylinder hemisphere sphere Copyright © by Holt, Rinehart and Winston. All rights reserved. 39 Holt Mathematics Course 2 Countdown to CRCT WEEK 20 Day 1 Which statement about the graph of the equation y = 6x is NOT true? A B C D Day 2 Victor bought a book for $7. He also bought several CDs for $9 each. He spent a total of $43. Which equation could you solve to ﬁnd the number of CDs Victor bought? F G H J Day 3 The graph is a straight line. The graph passes through the origin. Part of the graph lies in Quadrant II. The graph includes the point (2, 12). 43 = 9x - 7 43 = 7 + 9x 43 = 9 + 7x 43 = 7 • 9x The circle in the ﬁgure is rotated through space around line m. Which three-dimensional ﬁgure is formed? m A B C D cone cylinder hemisphere sphere Copyright © by Holt, Rinehart and Winston. All rights reserved. 39 Holt Mathematics Course 2 Countdown to CRCT WEEK 20 Day 4 What is the solution of the equation 4m - 6 = 18? F G H J Day 5 m=2 m=3 m=6 m = 12 Jorge recorded the following information while studying the effects of sunlight on plant growth. Which plant grew the most? Plant Change in Height (in.) A B C D 1 2 3 4 _1_ -_38 -_14 7 __ 2 16 1 2 3 4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 40 Holt Mathematics Course 2 Countdown to CRCT WEEK 20 Day 4 What is the solution of the equation 4m - 6 = 18? F G H J Day 5 m=2 m=3 m=6 m = 12 Jorge recorded the following information while studying the effects of sunlight on plant growth. Which plant grew the most? Plant Change in Height (in.) A B C D 1 2 3 4 _1_ -_38 -_14 7 __ 2 16 1 2 3 4 Copyright © by Holt, Rinehart and Winston. All rights reserved. 40 Holt Mathematics Course 2 Countdown to CRCT WEEK 21 Day 1 Emily wants to use a compass and straightedge to bisect ∠ABC. Which ﬁgure shows the mark she should make for her ﬁrst step? A B B D A B C C C Tyler drew Figure 1 and then used a transformation to make Figure 2. Which transformation did he use? Figure 1 F G H J Day 3 A B C A B Day 2 C A Figure 2 dilation rotation reﬂection translation The table shows how much different numbers of tickets to a hockey game cost. How many dollars would 10 tickets cost? Tickets Cost ($) A B C D 2 4.80 3 7.20 5 8 12.00 19.20 $21.60 $24.00 $29.20 $32.00 Copyright © by Holt, Rinehart and Winston. All rights reserved. 41 Holt Mathematics Course 2 Countdown to CRCT WEEK 21 Day 1 Emily wants to use a compass and straightedge to bisect ∠ABC. Which ﬁgure shows the mark she should make for her ﬁrst step? A B B D A B C C C Tyler drew Figure 1 and then used a transformation to make Figure 2. Which transformation did he use? Figure 1 F G H J Day 3 A B C A B Day 2 C A Figure 2 dilation rotation reﬂection translation The table shows how much different numbers of tickets to a hockey game cost. How many dollars would 10 tickets cost? Tickets Cost ($) A B C D 2 4.80 3 7.20 5 8 12.00 19.20 $21.60 $24.00 $29.20 $32.00 Copyright © by Holt, Rinehart and Winston. All rights reserved. 41 Holt Mathematics Course 2 Countdown to CRCT WEEK 21 Day 4 Liu is researching the speeds of some of the fastest animals on Earth. Which of the following graphs is the best choice for displaying the data on animals and their top speeds? F G H J Day 5 scatter plot line graph circle graph bar graph Bruno surveys his classmates about their favoriet pet. What is the best measure of central tendency of this data? A B C D mode range mean median Copyright © by Holt, Rinehart and Winston. All rights reserved. 42 Holt Mathematics Course 2 Countdown to CRCT WEEK 21 Day 4 Liu is researching the speeds of some of the fastest animals on Earth. Which of the following graphs is the best choice for displaying the data on animals and their top speeds? F G H J Day 5 scatter plot line graph circle graph bar graph Bruno surveys his classmates about their favoriet pet. What is the best measure of central tendency of this data? A B C D mode range mean median Copyright © by Holt, Rinehart and Winston. All rights reserved. 42 Holt Mathematics Course 2 Countdown to CRCT WEEK 22 Day 1 What kind of correlation would you expect to ﬁnd in a scatter plot that compares people’s heights and shoe sizes? A B C D Day 2 positive correlation negative correlation no correlation There is not enough information to answer the question. What is the value of the expression |6 - 15|? -15 -9 9 21 F G H J Day 3 Parallelogram PQRS is similar to parallelogram TUVW. What is the value of x? P T Q 90 60 S A B C D U 80 R W V x 60 120 135 180 Copyright © by Holt, Rinehart and Winston. All rights reserved. 43 Holt Mathematics Course 2 Countdown to CRCT WEEK 22 Day 1 What kind of correlation would you expect to ﬁnd in a scatter plot that compares people’s heights and shoe sizes? A B C D Day 2 positive correlation negative correlation no correlation There is not enough information to answer the question. What is the value of the expression |6 - 15|? -15 -9 9 21 F G H J Day 3 Parallelogram PQRS is similar to parallelogram TUVW. What is the value of x? P T Q 90 60 S A B C D U 80 R W V x 60 120 135 180 Copyright © by Holt, Rinehart and Winston. All rights reserved. 43 Holt Mathematics Course 2 Countdown to CRCT WEEK 22 Day 4 Mrs. Weyland is making 7 cups of juice for her children’s friends. If she wants to serve each guest _3_ cup of juice, 4 how many children will the juice serve? F G H J Day 5 8 9 10 11 Casey wants to solve the equation 6x - 5 = 40. What should she do as her ﬁrst step? A B C D Divide both sides by 5. Add 5 to both sides. Subtract 5 from both sides. Subtract 40 from both sides. Copyright © by Holt, Rinehart and Winston. All rights reserved. 44 Holt Mathematics Course 2 Countdown to CRCT WEEK 22 Day 4 Mrs. Weyland is making 7 cups of juice for her children’s friends. If she wants to serve each guest _3_ cup of juice, 4 how many children will the juice serve? F G H J Day 5 8 9 10 11 Casey wants to solve the equation 6x - 5 = 40. What should she do as her ﬁrst step? A B C D Divide both sides by 5. Add 5 to both sides. Subtract 5 from both sides. Subtract 40 from both sides. Copyright © by Holt, Rinehart and Winston. All rights reserved. 44 Holt Mathematics Course 2 Countdown to CRCT WEEK 23 Day 1 A B C D Day 2 Day 3 L 4 N 2 x ⫺4 L and O L O L and N O ⫺2 2 O4 ⫺2 P If ﬁgure PQRS is dilated by a scale factor of _12, which point will be located at (2, -1_12)? F G H J M y If ﬁgure LMNO is reﬂected across the x-axis, which point(s) will not change locations? 4 Q 2 x ⫺2 P Q R S y S O 2 ⫺2 ⫺4 R A cone is cut by a plane that passes through the cone’s vertex and is perpendicular to the base. What shape is the cross section? A B C D circle triangle oval rectangle Copyright © by Holt, Rinehart and Winston. All rights reserved. 45 Holt Mathematics Course 2 Countdown to CRCT WEEK 23 Day 1 A B C D Day 2 L 4 x ⫺4 L and O L O L and N Day 3 O ⫺2 2 O4 ⫺2 P y 4 scale factor of _12, which point will be located at (2, -1_12)? P Q R S N 2 If ﬁgure PQRS is dilated by a F G H J M y If ﬁgure LMNO is reﬂected across the x-axis, which point(s) will not change locations? Q 2 x ⫺2 S O 2 ⫺2 ⫺4 R A cone is cut by a plane that passes through the cone’s vertex and is perpendicular to the base. What shape is the cross section? A B C D circle triangle oval rectangle Copyright © by Holt, Rinehart and Winston. All rights reserved. Holt Mathematics Course 2 Countdown to CRCT WEEK 23 Day 4 Which of the following is a true statement about the graph of the equation y = _5x ? F G H J Day 5 The graph passes through the origin. The graph lies in Quadrant II of the coordinate plane. The graph is a straight line. The graph includes the point (5, 1). At dinner, Mr. and Mrs. Brandt decide to leave a 20% tip for their server. Which is the best estimate of their tip if their meals total $63.20? A B C D $1.20 $12.00 $14.00 $120.00 Copyright © by Holt, Rinehart and Winston. All rights reserved. 46 Holt Mathematics Course 2 Countdown to CRCT WEEK 23 Day 4 Which of the following is a true statement about the graph of the equation y = _5x ? F G H J Day 5 The graph passes through the origin. The graph lies in Quadrant II of the coordinate plane. The graph is a straight line. The graph includes the point (5, 1). At dinner, Mr. and Mrs. Brandt decide to leave a 20% tip for their server. Which is the best estimate of their tip if their meals total $63.20? A B C D $1.20 $12.00 $14.00 $120.00 Copyright © by Holt, Rinehart and Winston. All rights reserved. 46 Holt Mathematics Course 2 Countdown to CRCT WEEK 24 Day 1 A B C D Day 2 x cm If these two ﬁgures are similar, what is the missing measure in ﬁgure B? 18 centimeters 20.4 centimeters 22.95 centimeters 30.6 centimeters 2.7 cm B A 1.8 cm 15.3 cm 0.6 cm 5.1 cm Beth is using a compass and _ straightedge to construct the perpendicular bisector of AB. She has already completed the steps shown in the ﬁgure. What should she do next? C A B D F Place the point of the compass on point A. G Place the point of the compass on point C. H Use the straightedge to draw a line through points A and C. J Use the straightedge to draw a line through points C and D. Day 3 Jamal is solving the equation 16 = 4x + 2.5. What should he do as his ﬁrst step? A B C D Subtract 16 from both sides of the equation. Subtract 2.5 from both sides of the equation. Add 2.5 to both sides of the equation. Add 4x to both sides of the equation. Copyright © by Holt, Rinehart and Winston. All rights reserved. 47 Holt Mathematics Course 2 Countdown to CRCT WEEK 24 Day 1 A B C D Day 2 x cm If these two ﬁgures are similar, what is the missing measure in ﬁgure B? 18 centimeters 20.4 centimeters 22.95 centimeters 30.6 centimeters 2.7 cm B A 1.8 cm 15.3 cm 0.6 cm 5.1 cm Beth is using a compass and _ straightedge to construct the perpendicular bisector of AB. She has already completed the steps shown in the ﬁgure. What should she do next? C A B D F Place the point of the compass on point A. G Place the point of the compass on point C. H Use the straightedge to draw a line through points A and C. J Use the straightedge to draw a line through points C and D. Day 3 Jamal is solving the equation 16 = 4x + 2.5. What should he do as his ﬁrst step? A B C D Subtract 16 from both sides of the equation. Subtract 2.5 from both sides of the equation. Add 2.5 to both sides of the equation. Add 4x to both sides of the equation. Copyright © by Holt, Rinehart and Winston. All rights reserved. 47 Holt Mathematics Course 2 Countdown to CRCT WEEK 24 Day 4 Which equation has a graph that is NOT a straight line? F y = 3x G y=x+3 H y = _3x_ J y = _x_ 3 Day 5 Which value does NOT make the following statement true? 0.028 < A B C D < 0.064 0.027 0.029 0.043 0.062 Copyright © by Holt, Rinehart and Winston. All rights reserved. 48 Holt Mathematics Course 2 Countdown to CRCT WEEK 24 Day 4 Which equation has a graph that is NOT a straight line? F y = 3x G y=x+3 H y = _3x_ J y = _x_ 3 Day 5 Which value does NOT make the following statement true? 0.028 < A B C D < 0.064 0.027 0.029 0.043 0.062 Copyright © by Holt, Rinehart and Winston. All rights reserved. 48 Holt Mathematics Course 2

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