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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 171 · 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. 1.21 × 7 =
  2. 2.56 × 8 =
  3. 3.71 × 7 =
  4. 4.89 × 6 =
  5. 5.51 × 4 =
  6. 6.58 × 7 =
  7. 7.78 × 6 =
  8. 8.47 × 6 =
  9. 9.14 × 4 =
  10. 10.31 × 7 =
  11. 11.38 × 6 =
  12. 12.72 × 3 =
  13. 13.17 × 6 =
  14. 14.13 × 6 =
  15. 15.62 × 5 =
  16. 16.15 × 7 =
  17. 17.25 × 3 =
  18. 18.66 × 9 =
  19. 19.72 × 4 =
  20. 20.91 × 6 =
  21. 21.43 × 7 =
  22. 22.66 × 6 =
  23. 23.28 × 9 =
  24. 24.48 × 3 =
  25. 25.61 × 4 =
  26. 26.13 × 8 =
  27. 27.68 × 7 =
  28. 28.38 × 8 =
  29. 29.36 × 3 =
  30. 30.51 × 7 =
  31. 31.45 × 3 =
  32. 32.81 × 4 =
  33. 33.71 × 8 =
  34. 34.95 × 9 =
  35. 35.83 × 3 =
  36. 36.89 × 9 =
  37. 37.33 × 9 =
  38. 38.52 × 4 =
  39. 39.94 × 6 =
  40. 40.54 × 8 =

Answer key

  1. 147
  2. 448
  3. 497
  4. 534
  5. 204
  6. 406
  7. 468
  8. 282
  9. 56
  10. 217
  11. 228
  12. 216
  13. 102
  14. 78
  15. 310
  16. 105
  17. 75
  18. 594
  19. 288
  20. 546
  21. 301
  22. 396
  23. 252
  24. 144
  25. 244
  26. 104
  27. 476
  28. 304
  29. 108
  30. 357
  31. 135
  32. 324
  33. 568
  34. 855
  35. 249
  36. 801
  37. 297
  38. 208
  39. 564
  40. 432

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