← 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 754 · 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. 1.42 + 36 =
  2. 2.42 + 16 =
  3. 3.72 + 21 =
  4. 4.61 + 74 =
  5. 5.37 + 21 =
  6. 6.40 + 31 =
  7. 7.70 + 44 =
  8. 8.27 + 57 =
  9. 9.54 + 33 =
  10. 10.64 + 31 =
  11. 11.79 + 35 =
  12. 12.82 + 17 =
  13. 13.79 + 41 =
  14. 14.47 + 76 =
  15. 15.45 + 29 =
  16. 16.58 + 86 =
  17. 17.56 + 77 =
  18. 18.80 + 37 =
  19. 19.41 + 37 =
  20. 20.36 + 41 =
  21. 21.51 + 41 =
  22. 22.88 + 43 =
  23. 23.50 + 66 =
  24. 24.52 + 23 =
  25. 25.40 + 84 =
  26. 26.87 + 39 =
  27. 27.38 + 43 =
  28. 28.82 + 68 =
  29. 29.40 + 34 =
  30. 30.49 + 25 =
  31. 31.82 + 22 =
  32. 32.36 + 61 =
  33. 33.74 + 84 =
  34. 34.30 + 84 =
  35. 35.51 + 84 =
  36. 36.37 + 14 =
  37. 37.22 + 21 =
  38. 38.32 + 27 =
  39. 39.31 + 85 =
  40. 40.43 + 43 =

Answer key

  1. 78
  2. 58
  3. 93
  4. 135
  5. 58
  6. 71
  7. 114
  8. 84
  9. 87
  10. 95
  11. 114
  12. 99
  13. 120
  14. 123
  15. 74
  16. 144
  17. 133
  18. 117
  19. 78
  20. 77
  21. 92
  22. 131
  23. 116
  24. 75
  25. 124
  26. 126
  27. 81
  28. 150
  29. 74
  30. 74
  31. 104
  32. 97
  33. 158
  34. 114
  35. 135
  36. 51
  37. 43
  38. 59
  39. 116
  40. 86

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