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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 764 · 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. 1.57 × 5 =
  2. 2.83 × 4 =
  3. 3.89 × 3 =
  4. 4.57 × 9 =
  5. 5.14 × 6 =
  6. 6.88 × 4 =
  7. 7.18 × 6 =
  8. 8.79 × 8 =
  9. 9.64 × 7 =
  10. 10.41 × 5 =
  11. 11.21 × 6 =
  12. 12.81 × 9 =
  13. 13.12 × 6 =
  14. 14.18 × 9 =
  15. 15.89 × 9 =
  16. 16.67 × 5 =
  17. 17.41 × 6 =
  18. 18.83 × 8 =
  19. 19.15 × 7 =
  20. 20.39 × 9 =
  21. 21.61 × 3 =
  22. 22.86 × 9 =
  23. 23.14 × 4 =
  24. 24.58 × 8 =
  25. 25.62 × 7 =
  26. 26.22 × 8 =
  27. 27.74 × 8 =
  28. 28.59 × 4 =
  29. 29.45 × 5 =
  30. 30.16 × 8 =
  31. 31.39 × 4 =
  32. 32.16 × 3 =
  33. 33.33 × 8 =
  34. 34.56 × 3 =
  35. 35.31 × 3 =
  36. 36.47 × 3 =
  37. 37.35 × 4 =
  38. 38.26 × 7 =
  39. 39.42 × 9 =
  40. 40.85 × 8 =

Answer key

  1. 285
  2. 332
  3. 267
  4. 513
  5. 84
  6. 352
  7. 108
  8. 632
  9. 448
  10. 205
  11. 126
  12. 729
  13. 72
  14. 162
  15. 801
  16. 335
  17. 246
  18. 664
  19. 105
  20. 351
  21. 183
  22. 774
  23. 56
  24. 464
  25. 434
  26. 176
  27. 592
  28. 236
  29. 225
  30. 128
  31. 156
  32. 48
  33. 264
  34. 168
  35. 93
  36. 141
  37. 140
  38. 182
  39. 378
  40. 680

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