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Mental Multiplication Worksheet for Class 3 and 4

Mental maths lesson 8: Multiply 2-digit by 1-digit, tens first · Set 33 · 40 questions
TalentJR

How to do it in your head (Tens first): Split the 2-digit number into tens and ones. Multiply the tens and keep that answer in your head. Multiply the ones and add.

NameDateTime takenScore ___ / 40
  1. 1.67 × 8 =
  2. 2.91 × 7 =
  3. 3.33 × 3 =
  4. 4.33 × 9 =
  5. 5.69 × 9 =
  6. 6.69 × 5 =
  7. 7.58 × 6 =
  8. 8.48 × 3 =
  9. 9.37 × 7 =
  10. 10.53 × 4 =
  11. 11.29 × 3 =
  12. 12.84 × 3 =
  13. 13.77 × 3 =
  14. 14.81 × 6 =
  15. 15.25 × 8 =
  16. 16.61 × 6 =
  17. 17.21 × 4 =
  18. 18.18 × 6 =
  19. 19.71 × 4 =
  20. 20.88 × 6 =
  21. 21.49 × 9 =
  22. 22.23 × 3 =
  23. 23.15 × 4 =
  24. 24.45 × 5 =
  25. 25.64 × 8 =
  26. 26.92 × 4 =
  27. 27.31 × 7 =
  28. 28.81 × 3 =
  29. 29.81 × 8 =
  30. 30.93 × 3 =
  31. 31.88 × 8 =
  32. 32.42 × 5 =
  33. 33.46 × 7 =
  34. 34.13 × 3 =
  35. 35.68 × 5 =
  36. 36.98 × 8 =
  37. 37.94 × 6 =
  38. 38.18 × 9 =
  39. 39.36 × 3 =
  40. 40.76 × 9 =

Answer key

  1. 536
  2. 637
  3. 99
  4. 297
  5. 621
  6. 345
  7. 348
  8. 144
  9. 259
  10. 212
  11. 87
  12. 252
  13. 231
  14. 486
  15. 200
  16. 366
  17. 84
  18. 108
  19. 284
  20. 528
  21. 441
  22. 69
  23. 60
  24. 225
  25. 512
  26. 368
  27. 217
  28. 243
  29. 648
  30. 279
  31. 704
  32. 210
  33. 322
  34. 39
  35. 340
  36. 784
  37. 564
  38. 162
  39. 108
  40. 684

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