GRADE 3 • MODULE 2

1 3 G R A D E New York State Common Core Mathematics Curriculum GRADE 3 MODULE 2 MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. Answer Key GRADE 3 MODULE 2 Place Value and Problem Solving with Units of Measure NYS COMMON C ORE MATHEMATICS CURRICULUM 3 2 Lesson 1 Answer Key MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 1 Lesson 1 Problem Set 1. Times will vary. 2. Times will vary. 3. Times will vary. 4. Times will vary. 5. Times will vary. 6. Times will vary. Exit Ticket a. Jake b. Riley and Nicholas c. 3 seconds Homework 1. a. Dominique b.

2 Chester c. 5 seconds 2. Activities will vary. 3. First clock 10:15 Second clock 2:50 Third clock 11:00 Fourth clock 7:05 NYS COMMON C ORE MATHEMATICS CURRICULUM 3 2 Lesson 2 Answer Key MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 2 Lesson 2 Problem Set 1. a. First and last tick marks labeled as 7:00 and 8:00 b. Each interval labeled by fives below the number line up to 8:00 c. Point D plotted and labeled above 7:10 d. Point E plotted and labeled above 7:35 e. Point T plotted and labeled above 7:40 f. Point L plotted and labeled above 7:45 g. Point W plotted and labeled above 7:55 2. Every 5 minutes labeled below the number line First clock not matched to the number line Second clock 5:50 Third clock 5:15 Fourth clock not matched to the number line Fifth clock 5:40 Last clock 5:25 3.

3 First and last tick marks labeled as 5:00 and 6:00 ; each interval labeled by fives below the number line up to 6:00 ; 5:45 located and plotted on the number line 4. Yes; because means the morning and means the afternoon or nighttime Exit Ticket a. 10:10 c. 10:50 b. 10:20 d. 1 hour NYS COMMON C ORE MATHEMATICS CURRICULUM 3 2 Lesson 2 Answer Key MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 3 Homework a. First and last tick marks labeled as 4:00 and 5:00 b. Each interval labeled by fives below the number line up to 4:00 c. Point W plotted and labeled above 4:05 d. Point F plotted and labeled above 4:15 e. Point G plotted and labeled above 4:25 f. Point B plotted and labeled above 4:50 g. Point P plotted and labeled above 4:55 NYS COMMON C ORE MATHEMATICS CURRICULUM 3 2 Lesson 3 Answer Key MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc.

4 Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 3 Lesson 3 Problem Set 1. The times shown on the clocks are plotted 2. Hands on the clock drawn to show 6:48 correctly on the number line. 3. Hands on the clock drawn to show 8:23 First clock 7:17 4. 5:27 Second clock 7:03 5. a. 3:56 Third clock 7:55 b. 3:45 Fourth clock 7:41 Fifth clock answer provided Exit Ticket a. 8:03 b. Hands on the clock drawn to show 8:23 c. The first and last tick marks labeled as 8:00 and 9:00 ; Point A plotted and labeled above 8:03 ; Point B plotted and labeled above 8:23 Homework 1. The times shown on the clocks are plotted 4. a. 2:32 correctly on the number line. b. 2:55 First clock 4:34 c. 55 Second clock 4:01 d. First and last tick marks labeled 2:00 Third clock 4:16 and 3:00 ; Point B plotted and labeled Fourth clock 4:53 above 2:32 ; Point F plotted and Fifth clock answer provided labeled above 2:55 2.

5 Hands on the clock drawn to show 6:07 3. Hands on the clock drawn to show 1:32 NYS COMMON C ORE MATHEMATICS CURRICULUM 3 2 Lesson 4 Answer Key MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 4 Lesson 4 Problem Set 1. 26 5. 9:52 2. 2:08 6. 19 min 3. 31 7. 11:58 4. 4:09 8. 1:17 Exit Ticket 1. Hands on the first clock are drawn to show 1:34 2. Hands on the second clock are drawn to show 1:56 3. 22 min Homework 1. 31 4. 2:11 2. 3:22 5. 36 min 3. 33 6. Times will vary. NYS COMMON C ORE MATHEMATICS CURRICULUM 3 2 Lesson 5 Answer Key MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License.

6 5 Lesson 5 Problem Set 1. 53; problem modeled on number line; 25 + 28 = 53 2. 22; problem modeled on number line; 34 12 = 22 3. 17; problem modeled on number line; 47 30 = 17 4. a. 29 minutes b. No; Austin will be 4 minutes late. 5. 11:13 Exit Ticket 36; problem modeled on number line; 19 + 17 = 36 Homework 1. 56; problem modeled on number line; 22 + 34 = 56 2. 9 minutes; problem modeled on number line; 56 47 = 9 3. 30 minutes 4. a. 47 minutes b. No; Marcus will be 2 minutes late. 5. 27 minutes NYS COMMON C ORE MATHEMATICS CURRICULUM 3 2 Lesson 6 Answer Key MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 6 Lesson 6 Problem Set 1. Illustrations and descriptions will vary. 2. Illustrations and descriptions will vary. 3. Illustrations and descriptions will vary.

7 4. Illustrations and descriptions will vary. 5. Answers will vary; both charts grow by units of 10. Exit Ticket 100 grams Homework 1. a. 10 b. 10 c. 10 d. They all need 10 to get to the next unit. 2. Top row, left to right: 3 kilograms; 6 kilograms; 450 grams Bottom row, left to right: 907 grams; 11 kilograms; 1 kilograms NYS COMMON C ORE MATHEMATICS CURRICULUM 3 2 Lesson 7 Answer Key MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 7 Lesson 7 Problem Set A. Objects and weights will vary. F. 2 kilograms since 1 bottle of water weighs B. Objects and weights will vary. about 1 kilogram C. Objects and weights will vary. G. Yes; 10 units of 100 grams equal 1000 grams, D. Objects and weights will vary. which is the same as 1 kilogram E.

8 1. grams 2. kilograms 3. grams 4. kilograms 5. kilograms 6. grams Exit Ticket 1. 146 g; 12 kg 2. a. grams b. grams c. kilograms d. grams e. kilograms Homework 1. Water bottle 1 kilogram Paper clip 1 gram 4 pennies 10 grams Apple 100 grams 2. Grams; because 113 kilograms is too heavy for a cell phone 3. 25 kilograms; 9 kilograms; 200 grams 367 grams; 105 grams NYS COMMON C ORE MATHEMATICS CURRICULUM 3 2 Lesson 8 Answer Key MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 8 Lesson 8 Problem Set 1. 464; 355 3. Tape diagram drawn correctly; about 15 kg 2. a. 78; problem modeled with tape diagram 4. a. About 3 kg b. 8; problem modeled with tape diagram 5. b. About 21 kg Exit Ticket a. 14 kg b. 28 kg c. 3 backpacks Homework 1.

9 A. C 3. 430 g b. B 4. a. 91 kg c. 4 5. b. 125 kg d. 36 kg 6. a. 7 kg 2. 840 g 7. b. 5 kg NYS COMMON C ORE MATHEMATICS CURRICULUM 3 2 Lesson 9 Answer Key MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 9 Lesson 9 Problem Set a. Estimations will vary. b. Answers will vary. c. Illustrations and descriptions will vary. d. Illustrations and descriptions will vary. e. Illustrations and descriptions will vary. f. They both break apart into 1 thousand units. 1 liter is 1000 milliliters, and 1 kilogram is 1000 grams. g. 1 gram; 1 liter is the same as 1 kilogram, and they break apart the same way into 1 thousand units. Exit Ticket 1..25 2. 100 groups; there are 10 groups of 10 milliliters in 100 milliliters, and there are 10 groups of 100 milliliters in 1 liter.

10 Homework 1. a. Answers will vary. b. Answers will vary. 2. 15 mL 3. 708 mL 4. 6 buckets 5. 5 L NYS COMMON C ORE MATHEMATICS CURRICULUM 3 2 Lesson 10 Answer Key MODULE 2: Place Value and Problem Solving with Units of Measure Date: 7/19/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 10 Lesson 10 Problem Set 1. Vertical number line on container labeled by hundreds a. 500 mL; reasons will vary. b. Explanations will vary. c. 700 mL 2. 3 L; 6 L; 4 L; 0 L 3. 400 mL; 200 mL; 1000 mL; 700 mL 4. a. Capacity of each barrel plotted and labeled correctly on number line b. Barrel C c. Barrel D d. Barrel B; because it is closest to 70 mL e. Number line used to find answer; 28 more liters Exit Ticket 1. A: 45 L B: 57 L C: 21 L 2. 24 L Homework 1. 5 L; 2 L; 6 L; 1 L 2. 11 L 3. 5 L; 2 L; 4 L; 2 L 4. a. Capacity of each gas tank plotted and labeled on number line b.