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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 248 · 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. 1.905 × 8 =
  2. 2.542 × 4 =
  3. 3.625 × 3 =
  4. 4.807 × 9 =
  5. 5.522 × 7 =
  6. 6.215 × 3 =
  7. 7.764 × 9 =
  8. 8.345 × 3 =
  9. 9.624 × 4 =
  10. 10.311 × 6 =
  11. 11.834 × 4 =
  12. 12.164 × 5 =
  13. 13.721 × 5 =
  14. 14.421 × 7 =
  15. 15.638 × 3 =
  16. 16.462 × 3 =
  17. 17.349 × 3 =
  18. 18.724 × 5 =
  19. 19.447 × 9 =
  20. 20.382 × 4 =
  21. 21.352 × 7 =
  22. 22.749 × 3 =
  23. 23.206 × 7 =
  24. 24.975 × 3 =
  25. 25.622 × 4 =
  26. 26.857 × 9 =
  27. 27.277 × 4 =
  28. 28.141 × 7 =
  29. 29.468 × 7 =
  30. 30.231 × 3 =
  31. 31.451 × 6 =
  32. 32.637 × 9 =
  33. 33.184 × 3 =
  34. 34.705 × 4 =
  35. 35.541 × 3 =
  36. 36.303 × 3 =
  37. 37.138 × 9 =
  38. 38.282 × 6 =
  39. 39.269 × 4 =
  40. 40.193 × 4 =

Answer key

  1. 7240
  2. 2168
  3. 1875
  4. 7263
  5. 3654
  6. 645
  7. 6876
  8. 1035
  9. 2496
  10. 1866
  11. 3336
  12. 820
  13. 3605
  14. 2947
  15. 1914
  16. 1386
  17. 1047
  18. 3620
  19. 4023
  20. 1528
  21. 2464
  22. 2247
  23. 1442
  24. 2925
  25. 2488
  26. 7713
  27. 1108
  28. 987
  29. 3276
  30. 693
  31. 2706
  32. 5733
  33. 552
  34. 2820
  35. 1623
  36. 909
  37. 1242
  38. 1692
  39. 1076
  40. 772

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