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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 16 · 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. 1.339 × 7 =
  2. 2.335 × 4 =
  3. 3.701 × 4 =
  4. 4.618 × 6 =
  5. 5.571 × 4 =
  6. 6.233 × 8 =
  7. 7.341 × 9 =
  8. 8.751 × 4 =
  9. 9.482 × 7 =
  10. 10.733 × 5 =
  11. 11.293 × 3 =
  12. 12.209 × 7 =
  13. 13.839 × 5 =
  14. 14.825 × 6 =
  15. 15.773 × 9 =
  16. 16.838 × 4 =
  17. 17.247 × 8 =
  18. 18.218 × 9 =
  19. 19.355 × 7 =
  20. 20.941 × 4 =
  21. 21.112 × 3 =
  22. 22.719 × 5 =
  23. 23.132 × 5 =
  24. 24.208 × 6 =
  25. 25.836 × 9 =
  26. 26.186 × 8 =
  27. 27.933 × 4 =
  28. 28.827 × 3 =
  29. 29.413 × 9 =
  30. 30.952 × 4 =
  31. 31.563 × 9 =
  32. 32.566 × 3 =
  33. 33.242 × 7 =
  34. 34.864 × 9 =
  35. 35.251 × 3 =
  36. 36.731 × 6 =
  37. 37.273 × 7 =
  38. 38.942 × 5 =
  39. 39.239 × 6 =
  40. 40.862 × 7 =

Answer key

  1. 2373
  2. 1340
  3. 2804
  4. 3708
  5. 2284
  6. 1864
  7. 3069
  8. 3004
  9. 3374
  10. 3665
  11. 879
  12. 1463
  13. 4195
  14. 4950
  15. 6957
  16. 3352
  17. 1976
  18. 1962
  19. 2485
  20. 3764
  21. 336
  22. 3595
  23. 660
  24. 1248
  25. 7524
  26. 1488
  27. 3732
  28. 2481
  29. 3717
  30. 3808
  31. 5067
  32. 1698
  33. 1694
  34. 7776
  35. 753
  36. 4386
  37. 1911
  38. 4710
  39. 1434
  40. 6034

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