← Add 2-digit numbers left to right lesson New set →

Mental Addition Worksheet for Class 2 and 3

Mental maths lesson 6: Add 2-digit numbers left to right · Set 945 · 40 questions
TalentJR

How to do it in your head (Tens first): Keep the first number as it is. Add the tens of the second number. Add the ones.

NameDateTime takenScore ___ / 40
  1. 1.63 + 17 =
  2. 2.50 + 83 =
  3. 3.26 + 19 =
  4. 4.87 + 18 =
  5. 5.30 + 63 =
  6. 6.24 + 27 =
  7. 7.30 + 41 =
  8. 8.74 + 17 =
  9. 9.55 + 45 =
  10. 10.36 + 82 =
  11. 11.32 + 15 =
  12. 12.61 + 13 =
  13. 13.35 + 89 =
  14. 14.61 + 16 =
  15. 15.76 + 62 =
  16. 16.72 + 41 =
  17. 17.46 + 25 =
  18. 18.76 + 19 =
  19. 19.41 + 33 =
  20. 20.71 + 48 =
  21. 21.86 + 41 =
  22. 22.73 + 14 =
  23. 23.62 + 63 =
  24. 24.38 + 89 =
  25. 25.80 + 84 =
  26. 26.45 + 33 =
  27. 27.26 + 23 =
  28. 28.32 + 25 =
  29. 29.51 + 55 =
  30. 30.33 + 21 =
  31. 31.58 + 47 =
  32. 32.42 + 28 =
  33. 33.69 + 88 =
  34. 34.50 + 59 =
  35. 35.36 + 83 =
  36. 36.21 + 64 =
  37. 37.46 + 14 =
  38. 38.69 + 24 =
  39. 39.65 + 69 =
  40. 40.34 + 48 =

Answer key

  1. 80
  2. 133
  3. 45
  4. 105
  5. 93
  6. 51
  7. 71
  8. 91
  9. 100
  10. 118
  11. 47
  12. 74
  13. 124
  14. 77
  15. 138
  16. 113
  17. 71
  18. 95
  19. 74
  20. 119
  21. 127
  22. 87
  23. 125
  24. 127
  25. 164
  26. 78
  27. 49
  28. 57
  29. 106
  30. 54
  31. 105
  32. 70
  33. 157
  34. 109
  35. 119
  36. 85
  37. 60
  38. 93
  39. 134
  40. 82

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths