GRADE 5 • MODULE 2

1 5 G R A D E New York State Common Core Mathematics Curriculum GRADE 5 MODULE 2 MODULE 2: Multi-Digit Whole Number and Decimal Fraction Operations Date: 8/1/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. Answer Key GRADE 5 MODULE 2 Multi-Digit Whole Number and Decimal Fraction Operations MODULE 2: Multi-Digit Whole Number and Decimal Fraction Operations Date: 7/31/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 1 Lesson 1 Answer Key NYS COMMON C ORE MATHEMATICS CURRICULUM 5 2 Lesson 1 Problem Set 1. a. 46; 460 3. a. answers provided b. 46 hundreds; 4,600 b. 135; 1,350; 13,500; 135,000 c. Ones; 164 c. 200; 2,000; 20,000; 200,000 d. Thousands; 164,000 d.

2 1,436; 143,600; 1,436,000; 143,600,000 e. 331; 3; thousands; 993,000 4. answers will vary. f. 5; 6; ten thousands; 300,000 5. 36,000,000 gal 2. a. False; answers will vary. 6. $9,900 b. False; answers will vary. c. True; answers will vary. d. True; answers will vary. e. False; answers will vary. Exit Ticket 1. a. 38,000 b. 300,000 c. 75,000 2. answers will vary. Homework 1. a. 129; 1,290 3. a. answers provided b. 129; 12,900 b. 400; 4,000; 400,000; 400,000 c. Hundreds; 16,600 c. 1,911; 191,100; 1,911,000; 19,110,000 d. 44; 4; ten thousands; 1,760,000 4. 600 in2 e. 8; 5; ten thousands; 400,000 5. 2,115,000 2. a. True; answers will vary. b. False; answers will vary. c. True; answers will vary. d. False; answers will vary. MODULE 2: Multi-Digit Whole Number and Decimal Fraction Operations Date: 8/3/14 2014 Common Core, Inc. Some rights reserved.

3 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 1 Lesson 2 Answer Key NYS COMMON C ORE MATHEMATICS CURRICULUM 5 2 Lesson 2 Sprint Side A 1. 90 12. 700,000 23. 73,000 34. 492,000 2. 900 13. 20 24. 600 35. 340 3. 9,000 14. 300 25. 6,000 36. 6,290 4. 80 15. 320 26. 60,000 37. 9,400 5. 800 16. 40 27. 6,500 38. 23,800 6. 8,000 17. 500 28. 65,200 39. 47,000 7. 80,000 18. 540 29. 34,200 40. 294,000 8. 70 19. 370 30. 80,000 41. 17,400 9. 700 20. 840 31. 800,000 42. 285,000 10. 7,000 21. 8,400 32. 860,000 43. 95,100 11. 70,000 22. 84,000 33. 867,000 44. 129,000 Side B 1. 80 12. 600,000 23. 37,000 34. 942,000 2. 800 13. 30 24. 500 35. 740 3. 8,000 14. 200 25. 5,000 36. 2,690 4. 70 15. 230 26. 50,000 37. 4,900 5. 700 16. 50 27. 5,600 38. 32,800 6. 7,000 17. 400 28. 56,200 39.

4 37,000 7. 70,000 18. 450 29. 43,200 40. 924,000 8. 60 19. 730 30. 70,000 41. 14,700 9. 600 20. 480 31. 700,000 42. 825,000 10. 6,000 21. 4,800 32. 760,000 43. 65,100 11. 60,000 22. 48,000 33. 765,000 44. 192,000 MODULE 2: Multi-Digit Whole Number and Decimal Fraction Operations Date: 8/3/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 2 Lesson 2 Answer Key NYS COMMON C ORE MATHEMATICS CURRICULUM 5 2 Problem Set 1. a. 600; 50; 30,000; 30,000 3. 2,146 121; explanations will vary. b. 1,100; 60; 66,000; 66,000 4. a. 600; 40 c. 5,800; 30; 174,000; 174,000 b. 700; 700 2. a. answers provided c. 8,000; 500 b. 28,000 400; 11,200,000 5. 800,000 c. 9,000 60; 540,000 6. a. $20,000 d. 900 600; 540,000 b. answers will vary. e. 40,000 500; 20,000,000 Exit Ticket 1.

5 A. 700 100; 70,000 b. 3,000 8,000; 24,000,000 c. 400 9,000; 3,600,000 d. 9,000 60,000; 540,000,000 Homework 1. a. 700; 80; 56,000; 56,000 3. 8,146 121; explanations will vary. b. 6,000; 70; 420,000; 420,000 4. a. 800; 30 c. 9,000; 50; 450,000; 450,000 b. 600; 700 2. a. answers provided c. 8,000; 500 b. 80,000 200; 16,000,000 5. 3,200,000 c. 10,000 40; 400,000 6. a. 10 d. 1,000 400; 400,000 b. $18,000 e. 90,000 900; 81,000,000 MODULE 2: Multi-Digit Whole Number and Decimal Fraction Operations Date: 8/3/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 1 Lesson 3 Answer Key NYS COMMON C ORE MATHEMATICS CURRICULUM 5 2 Lesson 3 Problem Set 1. a. Accurate model drawn; (8 + 7) 2 3. a. >; answers will vary. b. Accurate model drawn; 4 (14 + 26) b.

6 <; answers will vary. c. Accurate model drawn; 3 ( ) c. =; answers will vary. d. Accurate model drawn; (3 16) + (2 9) 4. Model drawn correctly; (7 15) + (38 15) e. Accurate model drawn; (4 25) (3 25) 5. MeiLing s is equivalent; answers will vary. f. Accurate model drawn; 3 (33 + 27) 6. a. 24 (8 + 12) 2. a. answers will vary; 360 b. 2 24 (8 + 12) b. answers will vary; 550 c. 1,440 c. answers will vary; 2,300 d. answers will vary; 76 Exit Ticket 1. a. Model drawn correctly; 8 47 7 47 b. Model drawn correctly; 6 (12 + 8) 2. > Homework 1. a. Accurate model drawn; (21 + 4) 2 2. a. answers will vary; 160 b. Accurate model drawn; 5 (7 + 23) b. answers will vary; 220 c. Accurate model drawn; 2 ( ) c. answers will vary; 2,600 d. Accurate model drawn; 3 15 + 4 2 d. answers will vary; 130 e. Accurate model drawn; 9 37 8 37 3.

7 A. >; answers will vary. f. Accurate model drawn; 3 (45 + 55) b. >; answers will vary. 4. a. No; answers will vary. b. (14 + 12) (8 + 12); 256 MODULE 2: Multi-Digit Whole Number and Decimal Fraction Operations Date: 8/3/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 1 Lesson 4 Answer Key NYS N YS C OMMON C ORE MATHEMATIC S C URRIC ULUM 5 2 Lesson 4 Problem Set 1. a. (15 1) 29 and (10 29) (6 29) 4. answers will vary. b. (38 + 40) (38 + 5) and 45 (40 + 2) 5. a. 1,515 c. (74 5) + (74 9) b. 1,782 2. a. 19; 20; 1; 500; 25; 475 6. answers will vary. b. 11; 10; 1; 10; 1; 240; 24; 264 7. a. answers will vary; (174 + 126) 29 c. 79; 80; 80; 1; 1,120; 14; 1,106 b. answers will vary; 8,700 d. 21; 20; 1; 20; 1; 1500; 75; 1,575 3. a.

8 Fifteens; fifteens; fifteen; 15; 15; 300; 15; 285 b. Fifteens; fifteens; fifteens; 15; 15; 150; 60; 210 c. Twenty-fives; twenty-fives; twenty-fives; 25; 25; 250; 50; 300 d. Seventeens; seventeens; seventeens; 17; 17; 340; 34; 306 Exit Ticket 1. a. 49; 50; 1; 550; 11; 539 b. 13; 10; 3; 10; 3; 250; 75; 325 MODULE 2: Multi-Digit Whole Number and Decimal Fraction Operations Date: 8/3/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 2 Lesson 4 Answer Key NYS N YS C OMMON C ORE MATHEMATIC S C URRIC ULUM 5 2 Homework 1. a. (30 19) (7 29) and (40 2) 19 3. a. Twelves; twelves; twelve; 12; 12; 360; 12; b. (26 + 30) (26 + 5) and 35 (20 + 60) 348 c. (34 8) + (34 9) b. Elevens; elevens; eleven; 11; 11; 330; 11; 2. a. 19; 20; 1; 1,000; 50; 950 341 b.

9 11; 10; 1; 10; 1 twenty -six; 260; 26; 286 c. Elevens; elevens; elevens; 11; 11; 220; 11; c. 49; 50; 50; 1; 600; 12; 588 209 d. 12; 10; 2; 10; 2; 250; 50; 300 d. Fifties; fifties; fifties; 500; 150; 650 4. answers will vary. 5. a. 1584 b. 2020 6. 266 ft2; Answer will vary 7. 2323; answers will vary MODULE 2: Multi-Digit Whole Number and Decimal Fraction Operations Date: 8/3/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 1 Lesson 5 Answer Key NYS COMMON C ORE MATHEMATICS CURRICULUM 5 2 Lesson 5 Pattern Sheet 1. 300 12. 450 23. 24,000 34. 2,400 2. 600 13. 900 24. 24,000 35. 24,000 3. 900 14. 8,000 25. 21,000 36. 1,800 4. 250 15. 6,000 26. 1,200 37. 18,000 5. 500 16. 4,000 27. 1,500 38. 24,000 6. 750 17. 400 28. 1,500 39. 24,000 7.

10 1,000 18. 800 29. 2,500 40. 28,000 8. 400 19. 1,200 30. 2,700 41. 32,000 9. 800 20. 12,000 31. 27,000 42. 49,000 10. 1,000 21. 15,000 32. 2,100 43. 64,000 11. 1,000 22. 18,000 33. 21,000 44. 72,000 Problem Set 1. a. 714 3. $7,248 b. 9,114 4. kg 2. a. 5,172 b. 2,829 c. 9,984 Exit Ticket 1. a. 483 b. 1,716 MODULE 2: Multi-Digit Whole Number and Decimal Fraction Operations Date: 8/3/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License. 2 Lesson 5 Answer Key NYS COMMON C ORE MATHEMATICS CURRICULUM 5 2 Homework 1. a. 504 3. m b. 5,082 4. $1,704 2. a. 6,908 b. 9,086 c. 6,816 MODULE 2: Multi-Digit Whole Number and Decimal Fraction Operations Date: 7/31/14 2014 Common Core, Inc. Some rights reserved. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike Unported License.