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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 17 · 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. 1.71 × 3 =
  2. 2.21 × 7 =
  3. 3.21 × 4 =
  4. 4.59 × 6 =
  5. 5.86 × 9 =
  6. 6.24 × 7 =
  7. 7.25 × 7 =
  8. 8.97 × 5 =
  9. 9.75 × 9 =
  10. 10.71 × 8 =
  11. 11.91 × 3 =
  12. 12.33 × 7 =
  13. 13.17 × 5 =
  14. 14.31 × 3 =
  15. 15.57 × 9 =
  16. 16.81 × 8 =
  17. 17.26 × 6 =
  18. 18.81 × 7 =
  19. 19.91 × 6 =
  20. 20.28 × 4 =
  21. 21.51 × 3 =
  22. 22.92 × 7 =
  23. 23.21 × 6 =
  24. 24.21 × 8 =
  25. 25.22 × 4 =
  26. 26.56 × 3 =
  27. 27.57 × 6 =
  28. 28.33 × 9 =
  29. 29.53 × 8 =
  30. 30.15 × 3 =
  31. 31.13 × 9 =
  32. 32.17 × 6 =
  33. 33.36 × 6 =
  34. 34.69 × 4 =
  35. 35.31 × 5 =
  36. 36.24 × 6 =
  37. 37.49 × 6 =
  38. 38.82 × 4 =
  39. 39.13 × 4 =
  40. 40.38 × 4 =

Answer key

  1. 213
  2. 147
  3. 84
  4. 354
  5. 774
  6. 168
  7. 175
  8. 485
  9. 675
  10. 568
  11. 273
  12. 231
  13. 85
  14. 93
  15. 513
  16. 648
  17. 156
  18. 567
  19. 546
  20. 112
  21. 153
  22. 644
  23. 126
  24. 168
  25. 88
  26. 168
  27. 342
  28. 297
  29. 424
  30. 45
  31. 117
  32. 102
  33. 216
  34. 276
  35. 155
  36. 144
  37. 294
  38. 328
  39. 52
  40. 152

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