Unit 3 Math Review

Learning Standard: 4.4(B) [S] - determine products of a number and 10 or 100 using
properties of operations and place value understandings.
1.
Lionel sells boxes of greeting cards. The table below shows the number of cards in different
numbers of boxes.
Greeting Cards
49
Number of Boxes
67
82
114
Number of Greeting Cards 4,900 6,700 8,200
How many greeting cards are in 114 of these boxes?
A
B
C
D
10,000
1,140
11,400
11,004
2. Roger looked at some problems he had written in his notebook. They looked
like this:
10 × 7 = 70
10 × 9 = 90
10 × 11 = 110
10 × 12 = 120
Which of the following statements is true about multiplying by 10?
A
B
C
D
Add a zero to the other factor and you have the product.
You should only multiply 10 by odd numbers.
The 10 must always be the first factor to get the correct product.
If you multiply 10 by an odd number, you will get an odd number.
3. Deena and Chris were walking in the forest. Deena estimated that there were
400 trees in the forest. Chris estimated that there were 10 times that amount.
How many trees did Chris estimate were in the forest?
A
B
C
D
4,000
4,500
40,000
45,000
4. Which shows two factors that have a product of 2,000?
A
B
C
D
200 x 100
20 x 10
20 x 100
2 x 100
Learning Standard: 4.4(C) [S] - represent the product of 2 two-digit numbers using arrays,
area models, or equations, including perfect squares through 15 by 15.
5. Which number sentence could be written based on the picture below?
A
B
c
D
180 ÷ 12 = 15
10 x 10 = 180
12 x 12 = 144
22 x 25 = 550
6. Morgan made a sketch of her base ten blocks picture for multiplication.
A. What two numbers was she multiplying? ______________
B. What is the answer?_____________________
7.
The following shows a game board.
If four more rows and three more columns are added to this game board, which equation could be used to
find the total number of squares on the game board?
A
B
C
D
12 x 11 = 132
12 x 8 = 96
8 x 11 = 88
8 x 8 = 64
8.
A chef is making a salad for 64 passengers on a riverboat. Each person will be served 12 ounces
of salad. He used lettuce, tomatoes, and cucumbers to make the salad.
A. How many ounces of salad does the chef need to prepare for the luncheon? explain how you
got your answer.
B. For every pound of cucumbers the chef uses, he uses 2 pounds of tomatoes and 3 pounds of lettuce.
If he used 8 pounds of cucumbers, how many pounds of tomatoes and how many pounds of lettuce did he
use? Show or explain how you got your answers.
Learning Standard: 4.4(D) [S] - use strategies and algorithms, including the standard
algorithm, to multiply up to a four-digit number by a one-digit number
and to multiply a two-digit number by a two-digit number. Strategies
may include mental math, partial products, and the commutative,
associative, and distributive properties.
9.
There are 990 football players on high school teams in a city.
Each team has the same number of players. Which group of
teams could NOT describe the teams of football players in
this city?
10. Shantae needs 8 eggs to bake one cake. How many eggs will she need to make
a total of 27 cakes?
A
B
C
D
326
216
35
25
11. A giant armadillo sleeps about 18 hours every day. Which estimate is closest to the number
of hours a giant armadillo would sleep in 12 days?
A
B
C
D
100 hours
180 hours
200 hours
400 hours
12. Todd had a job selling washing machines. He sold 7 washing machines every day he worked.
Todd worked at the store six days a week. How many total washing machines did he sell in two
weeks?
A
B
C
D
15
42
60
84
Learning Standard: 4.4(G) [S] - round to the nearest 10, 100, or 1,000 or use compatible
numbers to estimate solutions involving whole numbers.
13. The table below shows the number of radios owned per 1,000 people in several different countries
in 1999.
Country
Number of Radios Owned per 1,000
People
Netherlands
981
New Zealand
989
Finland
1,563
United States
2,146
Australia
1,378
To the nearest hundred, about how many more radios were owned per 1,000 people in the United States
than in New Zealand?
A
B
C
D
2,200
1,300
1,100
1,000
14. The fourth grade class at Brooks Elementary School sold 488 candy bars in the candy sale. The
fifth grade class sold 319 candy bars. The sixth grade class sold 122 candy bars. Which of the
following is the best estimate of the number of candy bars the three classes sold all together?
A
B
C
D
700
800
900
1,000
15. The table below shows information about the diameters (in kilometers) of several planets.
Planet
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
Diameter (in km)
4,878
12,100
12,756
6,787
142,800
120,000
51,200
48,600
2,300
To the nearest thousand kilometers, about how much longer is the diameter of Neptune than the diameter
of Pluto?
A
B
C
D
48,000 km
47,000 km
46,000 km
45,000 km
16. The table below shows the distance between some Texas cities and El Paso, Texas.
Distances Between Cities:
City
Miles from El Paso
Austin
602
Dallas
635
Houston
748
Lubbock
342
San Antonio
551
Tyler
732
If you rounded the distances to the nearest hundred, which cities listed below would all round to a distance
of 700?
A
B
C
D
Houston, Tyler
San Antonio, Houston
Austin, Dallas
San Antonio, Tyler
Learning Standard: 4.4(H) [R] - solve with fluency one- and two-step problems involving
multiplication and division, including interpreting remainders.
17. Lydia's Pet Center has 45 cages. They keep the cages on racks that hold 6 cages each. The
director bought 27 more cages. How many total racks are needed to hold all of the cages?
A
B
C
D
72
60
12
8
18. Niah packed 24 dozen candles into 3 boxes. She packed an equal number of candles into each
box. How many candles did Niah pack into each box?
A
B
C
D
92
96
288
91
19. The fifth grade is planning a field trip. There will be 126 children and 40 teachers and parents on
the trip. If each bus holds 30 people, how would the remainder of 16 people best be interpreted?
A
B
C
D
a quantity left over
a quantity discarded or not used
a quantity partitioned into fraction form
a quantity forced to the next highest whole number
20. Isabel has 745 strawberries. She separated the strawberries into 5 equal groups. How many
strawberries are in 2 of the groups?
A
B
C
D
202, because 745 ÷ 5 = 101 and 101 × 2 = 202
282, because 745 ÷ 5 = 141 and 141 × 2 = 282
298, because 745 ÷ 5 = 149 and 149 × 2 = 298
290, because 745 ÷ 5 = 145 and 145 × 2 = 290
Learning Standard: 4.5(A) [R] - represent multi-step problems involving the four operations
with whole numbers using strip diagrams and equations with a letter
standing for the unknown quantity.
Question 21
22. Eric's school cafeteria ordered 25,000 yogurt bars to sell during lunch. So far, the cafeteria has
sold 893 yogurt bars. If the cafeteria sells another 107 yogurt bars today, how many will be left to
sell?
Answer________________________
23. The class is filling bags of popcorn for the school’s Fall Carnival. Mary has filled 3 bags of
popcorn. Thomas has filled 9 times as many as Mary. Amy has filled 5 times the amount of bags
as Thomas. What is the overall total amount of popcorn bags that have been filled?
A
B
C
D
27
165
17
150
24. Mr. Choppin bought 13 bagels. He saved 4 bagels for himself and asked his 3 children to
share the remaining bagels equally. Which expression shows how many bagels each child
received?
A
B
C
D
Answer Key
1. C
2. A
3. A
4. C
5. D
6. 22 X 25=550
7. D
8. 2688 T=16 L=24
9. B
10. B
11. C 20 X 10=200
12. D
13. C
14. C 300 + 100 +500
15. B
16. A
17. C
18. B
19. DIVISION PROBLEM. STUDENTS TOLD TO NOT ANSWER
20. DIVISION PROBLEM. STUDENTS TOLD TO NOT ANSWER
21. C
22. 2400
23. Answer choice was not present. Changed it to B=165
24. D