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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 677 · 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. 1.137 × 3 =
  2. 2.424 × 9 =
  3. 3.561 × 4 =
  4. 4.191 × 4 =
  5. 5.485 × 4 =
  6. 6.535 × 9 =
  7. 7.558 × 5 =
  8. 8.735 × 6 =
  9. 9.538 × 9 =
  10. 10.222 × 4 =
  11. 11.812 × 4 =
  12. 12.483 × 4 =
  13. 13.486 × 3 =
  14. 14.649 × 7 =
  15. 15.295 × 7 =
  16. 16.261 × 5 =
  17. 17.276 × 5 =
  18. 18.228 × 4 =
  19. 19.296 × 7 =
  20. 20.402 × 4 =
  21. 21.521 × 8 =
  22. 22.421 × 9 =
  23. 23.258 × 6 =
  24. 24.742 × 5 =
  25. 25.707 × 7 =
  26. 26.815 × 5 =
  27. 27.469 × 3 =
  28. 28.911 × 7 =
  29. 29.278 × 7 =
  30. 30.971 × 5 =
  31. 31.251 × 6 =
  32. 32.856 × 8 =
  33. 33.559 × 6 =
  34. 34.942 × 7 =
  35. 35.971 × 9 =
  36. 36.326 × 3 =
  37. 37.133 × 9 =
  38. 38.138 × 3 =
  39. 39.851 × 5 =
  40. 40.772 × 3 =

Answer key

  1. 411
  2. 3816
  3. 2244
  4. 764
  5. 1940
  6. 4815
  7. 2790
  8. 4410
  9. 4842
  10. 888
  11. 3248
  12. 1932
  13. 1458
  14. 4543
  15. 2065
  16. 1305
  17. 1380
  18. 912
  19. 2072
  20. 1608
  21. 4168
  22. 3789
  23. 1548
  24. 3710
  25. 4949
  26. 4075
  27. 1407
  28. 6377
  29. 1946
  30. 4855
  31. 1506
  32. 6848
  33. 3354
  34. 6594
  35. 8739
  36. 978
  37. 1197
  38. 414
  39. 4255
  40. 2316

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