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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 358 · 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. 1.15 × 3 =
  2. 2.78 × 4 =
  3. 3.65 × 6 =
  4. 4.98 × 6 =
  5. 5.39 × 4 =
  6. 6.62 × 4 =
  7. 7.63 × 6 =
  8. 8.79 × 3 =
  9. 9.95 × 9 =
  10. 10.61 × 8 =
  11. 11.58 × 3 =
  12. 12.91 × 3 =
  13. 13.31 × 7 =
  14. 14.57 × 7 =
  15. 15.43 × 8 =
  16. 16.17 × 6 =
  17. 17.21 × 6 =
  18. 18.62 × 5 =
  19. 19.91 × 6 =
  20. 20.85 × 9 =
  21. 21.31 × 4 =
  22. 22.79 × 9 =
  23. 23.49 × 8 =
  24. 24.84 × 3 =
  25. 25.42 × 3 =
  26. 26.45 × 6 =
  27. 27.56 × 8 =
  28. 28.44 × 3 =
  29. 29.78 × 5 =
  30. 30.99 × 4 =
  31. 31.74 × 7 =
  32. 32.99 × 7 =
  33. 33.25 × 5 =
  34. 34.42 × 9 =
  35. 35.66 × 5 =
  36. 36.46 × 3 =
  37. 37.42 × 8 =
  38. 38.61 × 7 =
  39. 39.47 × 9 =
  40. 40.69 × 9 =

Answer key

  1. 45
  2. 312
  3. 390
  4. 588
  5. 156
  6. 248
  7. 378
  8. 237
  9. 855
  10. 488
  11. 174
  12. 273
  13. 217
  14. 399
  15. 344
  16. 102
  17. 126
  18. 310
  19. 546
  20. 765
  21. 124
  22. 711
  23. 392
  24. 252
  25. 126
  26. 270
  27. 448
  28. 132
  29. 390
  30. 396
  31. 518
  32. 693
  33. 125
  34. 378
  35. 330
  36. 138
  37. 336
  38. 427
  39. 423
  40. 621

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