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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 723 · 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. 1.412 × 7 =
  2. 2.439 × 5 =
  3. 3.514 × 9 =
  4. 4.204 × 5 =
  5. 5.931 × 7 =
  6. 6.185 × 3 =
  7. 7.797 × 5 =
  8. 8.507 × 9 =
  9. 9.527 × 3 =
  10. 10.636 × 3 =
  11. 11.631 × 8 =
  12. 12.431 × 5 =
  13. 13.487 × 4 =
  14. 14.233 × 8 =
  15. 15.865 × 6 =
  16. 16.737 × 5 =
  17. 17.404 × 4 =
  18. 18.119 × 8 =
  19. 19.912 × 6 =
  20. 20.975 × 3 =
  21. 21.146 × 8 =
  22. 22.268 × 9 =
  23. 23.237 × 4 =
  24. 24.488 × 3 =
  25. 25.117 × 4 =
  26. 26.178 × 9 =
  27. 27.515 × 7 =
  28. 28.526 × 9 =
  29. 29.164 × 5 =
  30. 30.538 × 8 =
  31. 31.271 × 7 =
  32. 32.482 × 4 =
  33. 33.261 × 3 =
  34. 34.855 × 8 =
  35. 35.597 × 9 =
  36. 36.595 × 8 =
  37. 37.861 × 7 =
  38. 38.228 × 6 =
  39. 39.401 × 4 =
  40. 40.258 × 3 =

Answer key

  1. 2884
  2. 2195
  3. 4626
  4. 1020
  5. 6517
  6. 555
  7. 3985
  8. 4563
  9. 1581
  10. 1908
  11. 5048
  12. 2155
  13. 1948
  14. 1864
  15. 5190
  16. 3685
  17. 1616
  18. 952
  19. 5472
  20. 2925
  21. 1168
  22. 2412
  23. 948
  24. 1464
  25. 468
  26. 1602
  27. 3605
  28. 4734
  29. 820
  30. 4304
  31. 1897
  32. 1928
  33. 783
  34. 6840
  35. 5373
  36. 4760
  37. 6027
  38. 1368
  39. 1604
  40. 774

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