Stafford Township School District Manahawkin, NJ Answer Key Test Prep Unit Mathematics Grade 3 Rev 3/2011 1 MATH - Big Ideas – All Big Ideas need to be modeled 1. How do test takers manage their time? NJASK 2011 Test Design Grade 3 Grade 4 Grade 5 Grade 6 Day 1 8 SCRs Non-Calc. 20 min. 8 SCRs Non-Calc. 20 min. 10 SCRs Non-Calc. 20 min. 10 SCRs Non-Calc. 20 min. Day 1 11 MC Non-Calc. 19 min. 11 MC Non-Calc. 19 min. 13 MC & 1ECR Non-Calc. 30 min. 8 MC & 1ECR Non-Calc. 22 minutes 8 MC & 1 ECR Non- Calc. 24 min. 8 MC & 1 ECR Calc. active 20 min 8 MC & 1 ECR Non- Calc. 24 min. 8 MC & 1 ECR Non- Calc. 24 min 8 MC & 1 ECR Non- Calc. 24 min. 8 MC & 1 ECR Calc. active 20 min 8 MC & 1 ECR Non- Calc. 24 min. 8 MC & 1 ECR Non- Calc. 24 min 5 MC & 1 ECR Non- Calc. 18 min. 8 MC & 1 ECR Non-Calc. 22 minutes 10 MC & 1 ECR Calc. active 25 min. 10 MC & 1 ECR Calc. active 25 min. 10 MC & 1 ECR Calc. active 25 min. 10 MC & 1 ECR Calc. active 25 min. 5 MC & 1 ECR Calc. active 18 min. 6 MC & 1 ECR Calc. active 19 min. Day 1 Day 2 Day 2 Day 2 Time allotted for questions o Short Constructed Response (SCR): 2 minutes per question o Multiple Choice (MC): 1.5 minutes per question o Extended Constructed Response (ECR): 10 minutes per question 2. What valuable test taking strategies should students use? Perform a “BRAIN DUMP” at the start of the test. Write down on a sheet of scrap paper any facts or key phrases that you are afraid you may forget. For example: PEMDAS Read the question carefully and think about it. Underline key terms (difference, product, area, etc.) Pay attention to BOLD words - Be careful of the words/phrases: not, least to greatest, greater than, less than, most, etc. Utilize charts, graphs, and pictures. Do not leave any blank. 2 Review questions to make sure the question being asked in a multi-step problem was answered. Know when and how to use your calculator and utilize graph paper. Do not spend too much time on any one question. Review all work if time permits. 3. How can you ensure a maximum score on extended constructed response questions? Read the question carefully and think about it. Answer all parts of the question. Underline key terms/numbers. Number/label parts of the problem. Check them off once they are completed. Show work. Don’t erase work completed. Explain answers. Have them use the word because in an explanation if possible. Use math vocabulary in explanation. Answer problem within space provided. Do not go outside the line border. Write down anything you know about the skill being questioned. For example, if it is a complex area problem, the student should write down what they know about area (formula) so the scorer knows the student has some knowledge of the subject regardless if their answer is incorrect. Write down any work done on calculator. If you can’t answer the whole question, answer any parts that you can for partial credit. Circle your answer. Reread question and make sure all parts are answered. 4. What are useful strategies when answering multiple-choice questions? Read all options prior to determining an answer. Pay attention to BOLD words - Be careful of the words/phrases: not, least to greatest, greater than, less than, most, etc. Answer the questions that you are sure of first. Skip any questions that you are unsure of and return to them before finishing. Do not leave any blank. 1.5 minutes should be allotted for each question. Do not spend too much time on any one question. Cross out the crazy answers. Just because your answer is there, does not mean your answer is right. There will be distractor answers. “Distractor” answers will be common mistakes. Know when and how to use your calculator. Sometimes you can work backwards by plugging answers into formulas. 3 Substitute numbers for variables. Explain similarities between function tables and in/out boxes in EM. 5. How can you ensure a maximum score on short constructed response questions? A SCR is basically a multiple choice question without the answer choice. Read the question carefully and think about it. Underline key terms. Make sure you answer the question being asked. Clearly write your answer. No credit is given for work. Units are not necessary. Utilize space provided to solve problem. 6. Which terms should you be familiar with on a standardized test? (Not to be confused with content area vocabulary such as product, addend, congruent, etc.) Attributes Exact Estimate Properties Solve Explain Results Evaluate Identify Value Justify Corresponding Short Constructed Response Extended Constructed Response Venn Diagram Label Plot Compare 7. How can students maximize the use of manipulatives? Provide hands on experience and practice throughout the year. Discuss the how and when to use manipulatives. 4 8. How can students prepare physically and mentally for the test? Write neatly and clearly. Get a good night sleep, and eat a good breakfast including protein. When feeling anxious, take 5 deep breaths once in a while. Teachers, it will benefit the students to have some fun socialization planned after the test. Teachers, provide positive reinforcement in between each section. For example, “Keep working hard,” or “Stay focused.” Bring a water bottle. Mints enhance brain awareness. Keep them in your desk for break times. Dress comfortably- layers work well. Keep a fun-read to enjoy when you are finished testing and reviewing work. 5 Activities for Big Ideas For each type of question, model one and have the students solve the others independently. Review all problems. 1. How do test takers manage their time? Time monthly constructed response problems (SCR and ECR) Model how long 1.5 minutes is per multiple choice question. Remind students that some questions will take them longer than 1.5 minutes, some less. They should pay attention to how long they are spending on each question. 2. What valuable test taking strategies should students use? Brain Dump is a strategy to help groups of students organize and synthesize information that has been presented to them. Heterogeneous grouping works best for this activity as students of varying abilities can benefit from working together. The following procedures can be adapted to suit the age and/or lesson being reviewed. o Cover a desk area with large paper (roll paper works nicely). The students can label the paper as follows: 1. The center of the paper should identify the subject being reviewed. 2. The paper should be divided into as many subcategories as are necessary for the subject. Label each of these subcategories. (NOTE: It works nicely to have the number of subcategories equal the number of students in the group, if possible.) o Have the students stand, with a pencil, and push in their chairs. Each student should stand in front of one subcategory on their chart (3 students on one side and 3 on the other). o Instruct them that they will have to complete the first portion of “dumping their brains” in complete silence for the “dumping” to be successful! o They will have 10 minutes to “dump their brains” by writing everything they know in each subcategory of their chart, without the use of notes, books, or each other. They should rotate around the table so they can contribute to each subcategory. 6 o After 10 minutes has elapsed and you have complimented them on their silent “dumping,” have them take out any notes, books, etc. related to the topic. o They will now have 15-20 minutes to add to their chart using any of these aids that they can. o Now, they are ready for the final step. Each group should select a “spy” or “ambassador.” This person will represent the group by visiting other tables in search of information that they might be missing on their own chart. Groups should be instructed not to prohibit “spies or ambassadors” from seeing their charts. The idea is to SHARE! While this is taking place, those remaining at the table may quietly speak to each other as they continue to add to their chart and verify that information is accurate and not duplicated. Allow 5-10 minutes for this step. Sample Underlining Important Vocabulary/Numbers Problems *what is underlined may vary 1. Estimate 87+ 58. The sum is between which numbers? a. 20 and 50 b. 130 and 139 c. 140 and 150 d. 160 and 170 The correct is c. 2. How many pairs of parallel sides does a hexagon have? a. 3 b. 4 c. 5 d. 6 The correct answer is a. 7 3. A vote by students for their favorite fruit was done in the third grade. If each star represents 5 students, how many more students prefer apples over cherries? Fruit Number of Students Choosing Fruit Apple Banana Cherry a. b. c. d. 4 20 24 30 The correct answer is b. The following problems are examples to use with your class to review “NOT” problems. Model one of the problems first, and then allow the students to attempt the others on their own. Review. Sample “NOT” Problems 1. Which statement is NOT true? a. 900 = 900 b. 1,000 > 900 c. 900 < 90 d. 90 < 900 The correct answer is c. 2. Which statement is not true? a. A line goes on without end in two directions. b. Two lines that cross each other form angles. c. A ray continues in two directions. d. A line segment is a part of a line. The correct answer is c. 8 3. What plane figure has no straight sides? a. Circle b. Triangle c. Square d. Rectangle The correct answer is a. 9 Sample Extended Constructed Response Problems 1. Eliza wrote the number pattern below. 2, 5, 8, ___, ___, 17 Part A. What could be the two missing numbers in Eliza's pattern? Part B. What could be the rule Eliza used to make her pattern? Part C. Create your own pattern using the following rules: Use the same rule you named in Part B. Use different numbers than Eliza used. Use six numbers in your pattern. Sample Response Part A. 11, 14 Part B. The rule is add 3. Part C. Answers will vary. One example is shown. 6, 9, 12, 15, 18, 21 I followed the same rule as Eliza and added 3 to each number. I used 6 numbers and they are different from Eliza’s. 10 2. A machine charges 95 cents for a box of crackers and accepts only nickels, dimes, and quarters. The machine requires exact change. What are two possible combinations of coins you could put in the machine to get a box of crackers? Show your work or explain your answer. Sample Response 1 combination: 3 quarters and 2 dimes 75 cents + 20 cents = 95 cents 1 combination: 2 quarters, 4 dimes and 1 nickel 50 cents + 40 cents + 5 cents = 95 cents 3. Below is a table showing the number of goals scored by players on the third grade soccer team during the season. Name Number of Goals Scored Alvin 6 Bob 9 Carla 4 Abdul 3 Emma 7 Tara 1 Use the information from the table to draw a bar graph of the goals scored by each of the players. Be sure to label all parts of the graph and give the graph a title. 11 Sample Response: Number of goals 3rd Grade Soccer Team Goals 10 8 6 4 2 0 Alvin Bob Carla Abdul Emma Tara Goal Scorers Mention to your students that labeling the graph properly is weighted heavier than having the bars accurate, when being scored. Intervals on an axis need to increase by the same scale (i.e. by 1’s, 2’s, 5’s, 10’s, etc.) All parts of the graph must be labeled! Sample Multiple Choice Questions DIRECTIONS: Choose the best of the answer choices given for each of the following problems. You may NOT use a calculator. 1. Find the exact answer: 145 + 281 + 62 A. B. C. D. 426 488 946 1,046 The correct answer is B. Other answer choices are common mistakes when lining up the problem. 2. Estimate 999 - 103. The difference is between which numbers? A. B. C. D. 1,300 and 1,500 1,000 and 1,200 700 and 900 400 and 600 The correct answer is C. The students should underline the vocabulary word difference. 12 . 3. What does the p equal in 3 + p= 15? A. B. C. D. 3 5 12 18 The correct answer is C. The students can plug the answers into the formula to help them. Sample Short Constructed Response Problems 3. A lunch menu has 3 beverage selections: water, juice, and milk. The menu also offers 2 sandwich selections: turkey and peanut butter. How many different meals of one beverage and one sandwich are possible? Answer: 6 4. Cara would like to buy a bottle of juice that costs 89 cents. She gives the clerk $1.00. How much change will she receive? Answer: 11 cents 5. What digit is in the ten thousands place in the number 348, 999? Answer: 4 13 Sample Manipulatives Problems Review with your students when and when not to use the manipulatives provided. 1. Use your ruler to measure the four lengths below. Length A __________ Length B _________________________________ Length C ____________________________________________ Length D _________________________ Which length is between 2 and 3 inches long? A. B. C. D. Length A Length B Length C Length D The correct answer is D. 2. What is the length of the crayon to the nearest ¼ inch? A. B. C. D. 2 inches 2 ¼ inches 2 ½ inches 2 ¾ inches The correct answer is B. 14 3. Use a ruler to measure the sides of this rectangle. Measure to the nearest inch. Which is the perimeter? A. B. C. D. 1 in. 2 in. 4 in. 6 in. The correct answer is D. When not to use manipulatives: 4. Yolanda is putting a book shelf on the wall in her living room. The shelf is 3 feet long. She wants to divide it into 2 equal sections. How long is each section of the shelf? 3 feet A. B. C. D. 1 ½ feet 2 feet 2 ½ feet 3 feet A ruler is not needed. Use the information in the problem. The correct answer is A. Rev3/1/2011 15
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