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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 626 · 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. 1.861 × 4 =
  2. 2.632 × 4 =
  3. 3.721 × 7 =
  4. 4.476 × 6 =
  5. 5.889 × 5 =
  6. 6.499 × 4 =
  7. 7.812 × 4 =
  8. 8.909 × 7 =
  9. 9.128 × 8 =
  10. 10.624 × 3 =
  11. 11.229 × 8 =
  12. 12.602 × 7 =
  13. 13.918 × 7 =
  14. 14.599 × 6 =
  15. 15.541 × 4 =
  16. 16.972 × 5 =
  17. 17.876 × 5 =
  18. 18.666 × 5 =
  19. 19.224 × 6 =
  20. 20.229 × 3 =
  21. 21.511 × 7 =
  22. 22.177 × 8 =
  23. 23.975 × 6 =
  24. 24.497 × 9 =
  25. 25.151 × 3 =
  26. 26.376 × 5 =
  27. 27.483 × 8 =
  28. 28.274 × 8 =
  29. 29.739 × 7 =
  30. 30.478 × 5 =
  31. 31.273 × 6 =
  32. 32.471 × 8 =
  33. 33.453 × 3 =
  34. 34.151 × 6 =
  35. 35.705 × 9 =
  36. 36.967 × 8 =
  37. 37.496 × 3 =
  38. 38.553 × 7 =
  39. 39.837 × 9 =
  40. 40.647 × 6 =

Answer key

  1. 3444
  2. 2528
  3. 5047
  4. 2856
  5. 4445
  6. 1996
  7. 3248
  8. 6363
  9. 1024
  10. 1872
  11. 1832
  12. 4214
  13. 6426
  14. 3594
  15. 2164
  16. 4860
  17. 4380
  18. 3330
  19. 1344
  20. 687
  21. 3577
  22. 1416
  23. 5850
  24. 4473
  25. 453
  26. 1880
  27. 3864
  28. 2192
  29. 5173
  30. 2390
  31. 1638
  32. 3768
  33. 1359
  34. 906
  35. 6345
  36. 7736
  37. 1488
  38. 3871
  39. 7533
  40. 3882

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