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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 461 · 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. 1.566 × 7 =
  2. 2.792 × 5 =
  3. 3.147 × 4 =
  4. 4.841 × 9 =
  5. 5.436 × 5 =
  6. 6.226 × 3 =
  7. 7.721 × 5 =
  8. 8.838 × 7 =
  9. 9.241 × 7 =
  10. 10.731 × 3 =
  11. 11.844 × 8 =
  12. 12.987 × 5 =
  13. 13.179 × 8 =
  14. 14.486 × 3 =
  15. 15.874 × 4 =
  16. 16.831 × 7 =
  17. 17.601 × 6 =
  18. 18.452 × 6 =
  19. 19.705 × 3 =
  20. 20.504 × 7 =
  21. 21.526 × 3 =
  22. 22.331 × 9 =
  23. 23.711 × 7 =
  24. 24.914 × 8 =
  25. 25.141 × 6 =
  26. 26.185 × 6 =
  27. 27.951 × 4 =
  28. 28.337 × 9 =
  29. 29.951 × 6 =
  30. 30.872 × 8 =
  31. 31.825 × 6 =
  32. 32.665 × 9 =
  33. 33.501 × 8 =
  34. 34.829 × 8 =
  35. 35.521 × 6 =
  36. 36.851 × 4 =
  37. 37.572 × 3 =
  38. 38.495 × 4 =
  39. 39.132 × 6 =
  40. 40.271 × 4 =

Answer key

  1. 3962
  2. 3960
  3. 588
  4. 7569
  5. 2180
  6. 678
  7. 3605
  8. 5866
  9. 1687
  10. 2193
  11. 6752
  12. 4935
  13. 1432
  14. 1458
  15. 3496
  16. 5817
  17. 3606
  18. 2712
  19. 2115
  20. 3528
  21. 1578
  22. 2979
  23. 4977
  24. 7312
  25. 846
  26. 1110
  27. 3804
  28. 3033
  29. 5706
  30. 6976
  31. 4950
  32. 5985
  33. 4008
  34. 6632
  35. 3126
  36. 3404
  37. 1716
  38. 1980
  39. 792
  40. 1084

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