GRADE 2 • MODULE 2

A STORY OF UNITS

2 Mathematics Curriculum

GRADE

GRADE 2 ? MODULE 2

Answer Key

GRADE 2 ? MODULE 2

Addition and Subtraction of Length Units

Module 2:

Addition and Subtraction of Length Units

? 2014 Common Core, Inc. All rights reserved.

A STORY OF UNITS

Lesson 1

Sprint

Side A 1. 3 2. 13 3. 23 4. 73 5. 5 6. 4 7. 14 8. 24 9. 84 10. 9 11. 8

Side B 1. 2 2. 12 3. 22 4. 72 5. 4 6. 3 7. 13 8. 23 9. 83 10. 8 11. 7

12. 7 13. 17 14. 27 15. 57 16. 14 17. 47 18. 13 19. 37 20. 18 21. 88 22. 100

12. 6 13. 16 14. 26 15. 56 16. 13 17. 46 18. 12 19. 36 20. 18 21. 78 22. 100

Lesson 1 Answer Key 2?2

23. 100 24. 21 25. 121 26. 36 27. 136 28. 23 29. 123 30. 144 31. 139 32. 148 33. 149

23. 100 24. 31 25. 131 26. 35 27. 135 28. 22 29. 122 30. 143 31. 129 32. 148 33. 149

34. 148 35. 162 36. 188 37. 169 38. 180 39. 193 40. 189 41. 198 42. 170 43. 200 44. 159

34. 148 35. 172 36. 168 37. 159 38. 190 39. 194 40. 169 41. 197 42. 180 43. 200 44. 179

Module 2:

Addition and Subtraction of Length Units

1

? 2014 Common Core, Inc. All rights reserved.

A STORY OF UNITS

Problem Set

1. 6 2. 5 3. 7 4. 9

Exit Ticket

No; explanations will vary.

Homework

1. 4 2. 5 3. 4 4. 10

Lesson 1 Answer Key 2?2

5. 9 cm 6. a. 14 cm

b. 9 cm

5. 79 cm 6. 24 cm 7. 29 cm

Module 2:

Addition and Subtraction of Length Units

2

? 2014 Common Core, Inc. All rights reserved.

A STORY OF UNITS

Lesson 2

Problem Set

1. 4 2. 6 3. 10

Exit Ticket

1. a. No. Explanations will vary. b. Answers will vary.

Homework

1. 5 2. 8 3. 7

Lesson 2 Answer Key 2?2

4. 40 cm 5. Answers will vary.

4. a. 9 b. 6 c. 4 d. Red e. Yellow f. 19

Module 2:

Addition and Subtraction of Length Units

3

? 2014 Common Core, Inc. All rights reserved.

A STORY OF UNITS

Lesson 3

Sprint

Side A 1. 10 2. 1 3. 2 4. 3 5. 4 6. 5 7. 9 8. 8 9. 7 10. 6 11. 0

Side B 1. 0 2. 1 3. 2 4. 3 5. 4 6. 5 7. 9 8. 8 9. 7 10. 6 11. 10

12. 1 13. 1 14. 5 15. 5 16. 2 17. 2 18. 4 19. 4 20. 3 21. 3 22. 7

12. 5 13. 5 14. 1 15. 1 16. 2 17. 2 18. 3 19. 3 20. 4 21. 4 22. 6

Lesson 3 Answer Key 2?2

23. 7 24. 7 25. 3 26. 5 27. 5 28. 8 29. 8 30. 8 31. 9 32. 9 33. 9

23. 6 24. 6 25. 4 26. 1 27. 1 28. 7 29. 7 30. 7 31. 8 32. 8 33. 8

34. 9 35. 2 36. 4 37. 1 38. 5 39. 24 40. 12 41. 33 42. 14 43. 26 44. 32

34. 8 35. 3 36. 6 37. 5 38. 1 39. 26 40. 11 41. 36 42. 13 43. 27 44. 31

Module 2:

Addition and Subtraction of Length Units

4

? 2014 Common Core, Inc. All rights reserved.

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