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MODULE 1: Sums and Differences to 20

MODULE 1: Sums and Differences to 20. 10 points. Is this statement TRUE or FALSE: 10 + 1 = 2 + 8 + 1. 10 points. TRUE. 20 points. Is this statement TRUE or FALSE: 3 + 3 + 7 = 4 + 7 + 2. 30 points. Is this statement TRUE or FALSE: 38 + 2 = 30 + 10. 30 points. TRUE. 40 points.

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MODULE 1: Sums and Differences to 20

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  1. MODULE 1: Sums and Differences to 20

  2. 10 points Is this statement TRUE or FALSE: 10 + 1 = 2 + 8 + 1

  3. 10 points TRUE

  4. 20 points Is this statement TRUE or FALSE: 3 + 3 + 7 = 4 + 7 + 2

  5. 30 points Is this statement TRUE or FALSE: 38 + 2 = 30 + 10

  6. 30 points TRUE

  7. 40 points Is this statement TRUE or FALSE: 64 + 7 = 70 + 1

  8. 40 points TRUE

  9. 50 points Is this statement TRUE or FALSE: 89 + 9 = 90 + 7

  10. 50 points FALSE

  11. 10 points Draw a picture to show why 10 + 5 = 8 + 7. Clue: Use 10 frames!

  12. 10 points

  13. 20 points Draw 10 frame cards to explain why 14 + 2 = 12 + 4 .

  14. 20 points TRUE

  15. 20 points

  16. 30 points Autumn made some cookies. She ate 4 of them and had 16 left. How many cookies did she make?

  17. 30 points 20 cookies

  18. 40 points Melia and Maya both love animals. Melia counted 17 puppies in one cage at the animal shelter and 3 in another cage. Maya counted 13 kittens in one cage and 7 in another. How many kittens were there in all?

  19. 40 points 20 kittens

  20. 50 points Isaac has 61 pencils. He gives 8 pencils to a friend. How many pencils does Isaac have left? Draw a picture and write a number sentence to show what you know.

  21. 50 points 61- 8 = 53 52 + 1 = 53

  22. 10 points Solve using number bonds. 7 + 5 = _______

  23. 10 points 7 + 5 = 12 3 2 10 + 2 = 12

  24. 20 points Solve using number bonds. 9 + 4 = _______

  25. 20 points 9 + 4 = 13 1 3 10 + 3 = 13

  26. 30 points Solve using number bonds. 15 + 2 = _______

  27. 30 points 15 + 2 = 17 10 5 10 + 7 = 17

  28. 40 points Solve using number bonds. 26 + 8 = _______

  29. 40 points 26 + 8 = 34 20 6 4 4 20 + 10 + 4 = 34

  30. 50 points Solve using number bonds. 78 + 4 = _______

  31. 50 points 78 + 4 = 82 70 8 2 2 70 + 10 + 2 = 82

  32. 10 points Solve using number bonds. 15 - 9 = _______

  33. 10 points 15 - 9 = 6 10 5 1 + 5 = 6

  34. 20 points Solve using number bonds. 20 - 3 = _______

  35. 20 points 20 - 3 = 17 10 10 10 + 7 = 17

  36. 30 points Solve using number bonds. 41 - 5 = _______

  37. 30 points 41 - 5 = 36 31 10 31 + 5 = 36

  38. 40 points Solve using number bonds. 52 - 7 = _______

  39. 40 points 52 - 7 = 45 42 10 42 + 3 = 45

  40. 50 points Solve using number bonds. 82 - 9 = _______

  41. 50 points 82 - 9 = 73 72 10 72 + 1 = 73

  42. 10 points Write the number to make the number sentence true. 4 + ___ = 9

  43. 10 points 4 + 5 = 9

  44. 20 points Write the number to make the number sentence true. 19 = ___ + 13

  45. 20 points 19 = 6 + 13

  46. 30 points Write the number to make the number sentence true. 11 - 8 = 2 + ____

  47. 30 points 11 – 8 = 2 + 1

  48. 40 points Write the number to make the number sentence true. 16 - 9 = 1 + ____

  49. 40 points 16 - 9 = 1 + 6

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