Module 2 Answer Keys - Mr. Basham's Class Website
New York State Common Core
5 Mathematics Curriculum
GRADE
GRADE 5 ? MODULE 2
Answer Key
GRADE 5 ? MODULE 2
Multi-Digit Whole Number and Decimal Fraction Operations
Module 2: Date:
Multi-Digit Whole Number and Decimal Fraction Operations 8/1/14
? 2014 Common Core, Inc. Some rights reserved.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
NYS COMMON CORE MATHEMATICS CURRICULUM
Lesson 1 Answer Key 5?2
Lesson 1
Problem Set
1. a. 46; 460 b. 46 hundreds; 4,600 c. Ones; 164 d. Thousands; 164,000 e. 331; 3; thousands; 993,000 f. 5; 6; ten thousands; 300,000
2. a. False; answers will vary. 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 b. 129; 12,900 c. Hundreds; 16,600 d. 44; 4; ten thousands; 1,760,000 e. 8; 5; ten thousands; 400,000
2. a. True; answers will vary. b. False; answers will vary. c. True; answers will vary. d. False; answers will vary.
3. a. Answers provided b. 135; 1,350; 13,500; 135,000 c. 200; 2,000; 20,000; 200,000 d. 1,436; 143,600; 1,436,000; 143,600,000
4. Answers will vary. 5. 36,000,000 gal 6. $9,900
3. a. Answers provided b. 400; 4,000; 400,000; 400,000 c. 1,911; 191,100; 1,911,000; 19,110,000
4. 600 in2 5. 2,115,000
Module 2: Date:
Multi-Digit Whole Number and Decimal Fraction Operations 7/31/14
1
? 2014 Common Core, Inc. Some rights reserved.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
NYS COMMON CORE MATHEMATICS CURRICULUM
Lesson 2 Answer Key 5?2
Lesson 2
Sprint
Side A 1. 90 2. 900 3. 9,000 4. 80 5. 800 6. 8,000 7. 80,000 8. 70 9. 700 10. 7,000 11. 70,000
Side B 1. 80 2. 800 3. 8,000 4. 70 5. 700 6. 7,000 7. 70,000 8. 60 9. 600 10. 6,000 11. 60,000
12. 700,000 13. 20 14. 300 15. 320 16. 40 17. 500 18. 540 19. 370 20. 840 21. 8,400 22. 84,000
12. 600,000 13. 30 14. 200 15. 230 16. 50 17. 400 18. 450 19. 730 20. 480 21. 4,800 22. 48,000
23. 73,000 24. 600 25. 6,000 26. 60,000 27. 6,500 28. 65,200 29. 34,200 30. 80,000 31. 800,000 32. 860,000 33. 867,000
23. 37,000 24. 500 25. 5,000 26. 50,000 27. 5,600 28. 56,200 29. 43,200 30. 70,000 31. 700,000 32. 760,000 33. 765,000
34. 492,000 35. 340 36. 6,290 37. 9,400 38. 23,800 39. 47,000 40. 294,000 41. 17,400 42. 285,000 43. 95,100 44. 129,000
34. 942,000 35. 740 36. 2,690 37. 4,900 38. 32,800 39. 37,000 40. 924,000 41. 14,700 42. 825,000 43. 65,100 44. 192,000
Module 2: Date:
Multi-Digit Whole Number and Decimal Fraction Operations 8/3/14
1
? 2014 Common Core, Inc. Some rights reserved.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
NYS COMMON CORE MATHEMATICS CURRICULUM
Lesson 2 Answer Key 5?2
Problem Set
1. a. 600; 50; 30,000; 30,000 b. 1,100; 60; 66,000; 66,000 c. 5,800; 30; 174,000; 174,000
2. a. Answers provided b. 28,000 ? 400; 11,200,000 c. 9,000 ? 60; 540,000 d. 900 ? 600; 540,000 e. 40,000 ? 500; 20,000,000
Exit Ticket
1. 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 b. 6,000; 70; 420,000; 420,000 c. 9,000; 50; 450,000; 450,000
2. a. Answers provided b. 80,000 ? 200; 16,000,000 c. 10,000 ? 40; 400,000 d. 1,000 ? 400; 400,000 e. 90,000 ? 900; 81,000,000
3. 2,146 ? 121; explanations will vary. 4. a. 600; 40
b. 700; 700 c. 8,000; 500 5. 800,000 6. a. $20,000 b. Answers will vary.
3. 8,146 ? 121; explanations will vary. 4. a. 800; 30
b. 600; 700 c. 8,000; 500 5. 3,200,000 6. a. 10 b. $18,000
Module 2: Date:
Multi-Digit Whole Number and Decimal Fraction Operations 8/3/14
2
? 2014 Common Core, Inc. Some rights reserved.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
NYS COMMON CORE MATHEMATICS CURRICULUM
Lesson 3 Answer Key 5?2
Lesson 3
Problem Set
1. a. Accurate model drawn; (8 + 7) ? 2 b. Accurate model drawn; 4 ? (14 + 26) c. Accurate model drawn; 3 ? (37.5 ? 24.5) d. Accurate model drawn; (3 ? 16) + (2 ? 9) e. Accurate model drawn; (4 ? 25) ? (3 ? 25) f. Accurate model drawn; 3 ? (33 + 27)
2. a. Answers will vary; 360 b. Answers will vary; 550 c. Answers will vary; 2,300 d. Answers will vary; 76
3. a. >; answers will vary. b. ................
................
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