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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 140 · 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. 1.38 × 9 =
  2. 2.63 × 7 =
  3. 3.24 × 6 =
  4. 4.56 × 8 =
  5. 5.51 × 7 =
  6. 6.71 × 4 =
  7. 7.51 × 3 =
  8. 8.89 × 7 =
  9. 9.69 × 5 =
  10. 10.57 × 4 =
  11. 11.82 × 6 =
  12. 12.41 × 4 =
  13. 13.74 × 6 =
  14. 14.84 × 8 =
  15. 15.18 × 6 =
  16. 16.13 × 8 =
  17. 17.28 × 5 =
  18. 18.44 × 3 =
  19. 19.55 × 5 =
  20. 20.27 × 7 =
  21. 21.42 × 9 =
  22. 22.41 × 7 =
  23. 23.84 × 3 =
  24. 24.16 × 3 =
  25. 25.19 × 4 =
  26. 26.86 × 3 =
  27. 27.17 × 6 =
  28. 28.54 × 3 =
  29. 29.84 × 4 =
  30. 30.35 × 5 =
  31. 31.95 × 4 =
  32. 32.47 × 3 =
  33. 33.89 × 8 =
  34. 34.55 × 6 =
  35. 35.83 × 8 =
  36. 36.67 × 7 =
  37. 37.66 × 4 =
  38. 38.33 × 4 =
  39. 39.29 × 5 =
  40. 40.43 × 7 =

Answer key

  1. 342
  2. 441
  3. 144
  4. 448
  5. 357
  6. 284
  7. 153
  8. 623
  9. 345
  10. 228
  11. 492
  12. 164
  13. 444
  14. 672
  15. 108
  16. 104
  17. 140
  18. 132
  19. 275
  20. 189
  21. 378
  22. 287
  23. 252
  24. 48
  25. 76
  26. 258
  27. 102
  28. 162
  29. 336
  30. 175
  31. 380
  32. 141
  33. 712
  34. 330
  35. 664
  36. 469
  37. 264
  38. 132
  39. 145
  40. 301

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