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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 242 · 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. 1.467 × 8 =
  2. 2.623 × 3 =
  3. 3.584 × 5 =
  4. 4.145 × 6 =
  5. 5.174 × 4 =
  6. 6.159 × 3 =
  7. 7.522 × 7 =
  8. 8.839 × 5 =
  9. 9.566 × 9 =
  10. 10.224 × 4 =
  11. 11.913 × 6 =
  12. 12.185 × 4 =
  13. 13.707 × 4 =
  14. 14.466 × 6 =
  15. 15.377 × 6 =
  16. 16.482 × 4 =
  17. 17.986 × 5 =
  18. 18.731 × 3 =
  19. 19.955 × 8 =
  20. 20.622 × 7 =
  21. 21.772 × 4 =
  22. 22.467 × 6 =
  23. 23.637 × 3 =
  24. 24.247 × 6 =
  25. 25.404 × 5 =
  26. 26.494 × 9 =
  27. 27.935 × 7 =
  28. 28.332 × 8 =
  29. 29.134 × 3 =
  30. 30.981 × 3 =
  31. 31.952 × 4 =
  32. 32.539 × 3 =
  33. 33.263 × 3 =
  34. 34.667 × 5 =
  35. 35.979 × 8 =
  36. 36.639 × 4 =
  37. 37.254 × 7 =
  38. 38.723 × 5 =
  39. 39.283 × 6 =
  40. 40.416 × 3 =

Answer key

  1. 3736
  2. 1869
  3. 2920
  4. 870
  5. 696
  6. 477
  7. 3654
  8. 4195
  9. 5094
  10. 896
  11. 5478
  12. 740
  13. 2828
  14. 2796
  15. 2262
  16. 1928
  17. 4930
  18. 2193
  19. 7640
  20. 4354
  21. 3088
  22. 2802
  23. 1911
  24. 1482
  25. 2020
  26. 4446
  27. 6545
  28. 2656
  29. 402
  30. 2943
  31. 3808
  32. 1617
  33. 789
  34. 3335
  35. 7832
  36. 2556
  37. 1778
  38. 3615
  39. 1698
  40. 1248

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