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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 639 · 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. 1.81 × 9 =
  2. 2.29 × 9 =
  3. 3.51 × 6 =
  4. 4.17 × 3 =
  5. 5.79 × 6 =
  6. 6.17 × 9 =
  7. 7.38 × 5 =
  8. 8.31 × 3 =
  9. 9.89 × 8 =
  10. 10.38 × 9 =
  11. 11.84 × 3 =
  12. 12.42 × 9 =
  13. 13.83 × 6 =
  14. 14.97 × 3 =
  15. 15.78 × 7 =
  16. 16.52 × 9 =
  17. 17.33 × 8 =
  18. 18.78 × 4 =
  19. 19.43 × 5 =
  20. 20.61 × 7 =
  21. 21.19 × 4 =
  22. 22.85 × 6 =
  23. 23.39 × 3 =
  24. 24.12 × 7 =
  25. 25.94 × 9 =
  26. 26.39 × 4 =
  27. 27.69 × 4 =
  28. 28.39 × 6 =
  29. 29.56 × 7 =
  30. 30.41 × 5 =
  31. 31.68 × 4 =
  32. 32.71 × 7 =
  33. 33.21 × 8 =
  34. 34.21 × 7 =
  35. 35.71 × 6 =
  36. 36.29 × 4 =
  37. 37.98 × 5 =
  38. 38.74 × 5 =
  39. 39.73 × 9 =
  40. 40.22 × 4 =

Answer key

  1. 729
  2. 261
  3. 306
  4. 51
  5. 474
  6. 153
  7. 190
  8. 93
  9. 712
  10. 342
  11. 252
  12. 378
  13. 498
  14. 291
  15. 546
  16. 468
  17. 264
  18. 312
  19. 215
  20. 427
  21. 76
  22. 510
  23. 117
  24. 84
  25. 846
  26. 156
  27. 276
  28. 234
  29. 392
  30. 205
  31. 272
  32. 497
  33. 168
  34. 147
  35. 426
  36. 116
  37. 490
  38. 370
  39. 657
  40. 88

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