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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 159 · 40 questions
TalentJR

How to do it in your head (Biggest part first): Split the 3-digit number into hundreds, tens and ones. Multiply the hundreds and keep that number in your head. Multiply the tens and add, then multiply the ones and add.

NameDateTime takenScore ___ / 40
  1. 1.556 × 9 =
  2. 2.477 × 4 =
  3. 3.924 × 5 =
  4. 4.472 × 6 =
  5. 5.519 × 4 =
  6. 6.226 × 8 =
  7. 7.957 × 5 =
  8. 8.704 × 4 =
  9. 9.415 × 6 =
  10. 10.339 × 7 =
  11. 11.285 × 3 =
  12. 12.624 × 9 =
  13. 13.141 × 7 =
  14. 14.853 × 5 =
  15. 15.508 × 3 =
  16. 16.978 × 9 =
  17. 17.895 × 9 =
  18. 18.157 × 5 =
  19. 19.141 × 5 =
  20. 20.679 × 9 =
  21. 21.853 × 3 =
  22. 22.829 × 7 =
  23. 23.146 × 6 =
  24. 24.212 × 8 =
  25. 25.388 × 9 =
  26. 26.775 × 3 =
  27. 27.443 × 6 =
  28. 28.731 × 5 =
  29. 29.362 × 7 =
  30. 30.877 × 3 =
  31. 31.601 × 6 =
  32. 32.667 × 8 =
  33. 33.864 × 9 =
  34. 34.977 × 3 =
  35. 35.978 × 5 =
  36. 36.988 × 8 =
  37. 37.704 × 7 =
  38. 38.282 × 3 =
  39. 39.945 × 5 =
  40. 40.274 × 9 =

Answer key

  1. 5004
  2. 1908
  3. 4620
  4. 2832
  5. 2076
  6. 1808
  7. 4785
  8. 2816
  9. 2490
  10. 2373
  11. 855
  12. 5616
  13. 987
  14. 4265
  15. 1524
  16. 8802
  17. 8055
  18. 785
  19. 705
  20. 6111
  21. 2559
  22. 5803
  23. 876
  24. 1696
  25. 3492
  26. 2325
  27. 2658
  28. 3655
  29. 2534
  30. 2631
  31. 3606
  32. 5336
  33. 7776
  34. 2931
  35. 4890
  36. 7904
  37. 4928
  38. 846
  39. 4725
  40. 2466

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