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Bridging Through 10 Mental Addition Worksheet

Mental maths lesson 2: Add by bridging through 10 · Set 2 · 40 questions
TalentJR

How to do it in your head (Bridge through 10): How much does the first number need to reach the next ten? Split the second number into that much and the rest. Jump to the ten, then add the rest.

NameDateTime takenScore ___ / 40
  1. 1.65 + 6 =
  2. 2.27 + 8 =
  3. 3.58 + 3 =
  4. 4.37 + 5 =
  5. 5.6 + 5 =
  6. 6.19 + 4 =
  7. 7.15 + 9 =
  8. 8.26 + 6 =
  9. 9.85 + 7 =
  10. 10.18 + 7 =
  11. 11.17 + 6 =
  12. 12.66 + 7 =
  13. 13.78 + 5 =
  14. 14.78 + 3 =
  15. 15.27 + 9 =
  16. 16.35 + 9 =
  17. 17.36 + 8 =
  18. 18.17 + 5 =
  19. 19.29 + 5 =
  20. 20.6 + 7 =
  21. 21.68 + 4 =
  22. 22.18 + 9 =
  23. 23.69 + 9 =
  24. 24.27 + 7 =
  25. 25.5 + 6 =
  26. 26.36 + 5 =
  27. 27.18 + 5 =
  28. 28.45 + 6 =
  29. 29.66 + 5 =
  30. 30.27 + 4 =
  31. 31.37 + 9 =
  32. 32.28 + 9 =
  33. 33.35 + 6 =
  34. 34.49 + 8 =
  35. 35.48 + 3 =
  36. 36.68 + 8 =
  37. 37.5 + 9 =
  38. 38.57 + 4 =
  39. 39.66 + 6 =
  40. 40.39 + 8 =

Answer key

  1. 71
  2. 35
  3. 61
  4. 42
  5. 11
  6. 23
  7. 24
  8. 32
  9. 92
  10. 25
  11. 23
  12. 73
  13. 83
  14. 81
  15. 36
  16. 44
  17. 44
  18. 22
  19. 34
  20. 13
  21. 72
  22. 27
  23. 78
  24. 34
  25. 11
  26. 41
  27. 23
  28. 51
  29. 71
  30. 31
  31. 46
  32. 37
  33. 41
  34. 57
  35. 51
  36. 76
  37. 14
  38. 61
  39. 72
  40. 47

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