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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 197 · 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. 1.211 × 3 =
  2. 2.432 × 6 =
  3. 3.236 × 5 =
  4. 4.761 × 8 =
  5. 5.703 × 8 =
  6. 6.561 × 4 =
  7. 7.226 × 9 =
  8. 8.381 × 6 =
  9. 9.607 × 3 =
  10. 10.799 × 9 =
  11. 11.719 × 4 =
  12. 12.361 × 4 =
  13. 13.253 × 4 =
  14. 14.591 × 6 =
  15. 15.241 × 3 =
  16. 16.294 × 4 =
  17. 17.372 × 4 =
  18. 18.837 × 7 =
  19. 19.281 × 5 =
  20. 20.288 × 8 =
  21. 21.602 × 3 =
  22. 22.568 × 8 =
  23. 23.586 × 6 =
  24. 24.569 × 6 =
  25. 25.954 × 9 =
  26. 26.869 × 9 =
  27. 27.836 × 5 =
  28. 28.778 × 6 =
  29. 29.802 × 3 =
  30. 30.503 × 7 =
  31. 31.389 × 5 =
  32. 32.211 × 7 =
  33. 33.169 × 7 =
  34. 34.692 × 7 =
  35. 35.854 × 5 =
  36. 36.586 × 5 =
  37. 37.346 × 6 =
  38. 38.156 × 3 =
  39. 39.113 × 3 =
  40. 40.934 × 4 =

Answer key

  1. 633
  2. 2592
  3. 1180
  4. 6088
  5. 5624
  6. 2244
  7. 2034
  8. 2286
  9. 1821
  10. 7191
  11. 2876
  12. 1444
  13. 1012
  14. 3546
  15. 723
  16. 1176
  17. 1488
  18. 5859
  19. 1405
  20. 2304
  21. 1806
  22. 4544
  23. 3516
  24. 3414
  25. 8586
  26. 7821
  27. 4180
  28. 4668
  29. 2406
  30. 3521
  31. 1945
  32. 1477
  33. 1183
  34. 4844
  35. 4270
  36. 2930
  37. 2076
  38. 468
  39. 339
  40. 3736

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