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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 684 · 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. 1.391 × 9 =
  2. 2.611 × 3 =
  3. 3.987 × 8 =
  4. 4.822 × 8 =
  5. 5.331 × 6 =
  6. 6.399 × 3 =
  7. 7.634 × 9 =
  8. 8.425 × 8 =
  9. 9.462 × 7 =
  10. 10.351 × 3 =
  11. 11.173 × 7 =
  12. 12.664 × 8 =
  13. 13.181 × 8 =
  14. 14.881 × 6 =
  15. 15.923 × 4 =
  16. 16.444 × 5 =
  17. 17.143 × 4 =
  18. 18.928 × 4 =
  19. 19.645 × 5 =
  20. 20.157 × 7 =
  21. 21.201 × 8 =
  22. 22.378 × 9 =
  23. 23.339 × 9 =
  24. 24.267 × 4 =
  25. 25.974 × 6 =
  26. 26.589 × 7 =
  27. 27.264 × 8 =
  28. 28.724 × 9 =
  29. 29.598 × 3 =
  30. 30.566 × 3 =
  31. 31.977 × 4 =
  32. 32.159 × 3 =
  33. 33.643 × 5 =
  34. 34.276 × 9 =
  35. 35.512 × 4 =
  36. 36.172 × 5 =
  37. 37.217 × 7 =
  38. 38.786 × 3 =
  39. 39.259 × 7 =
  40. 40.696 × 5 =

Answer key

  1. 3519
  2. 1833
  3. 7896
  4. 6576
  5. 1986
  6. 1197
  7. 5706
  8. 3400
  9. 3234
  10. 1053
  11. 1211
  12. 5312
  13. 1448
  14. 5286
  15. 3692
  16. 2220
  17. 572
  18. 3712
  19. 3225
  20. 1099
  21. 1608
  22. 3402
  23. 3051
  24. 1068
  25. 5844
  26. 4123
  27. 2112
  28. 6516
  29. 1794
  30. 1698
  31. 3908
  32. 477
  33. 3215
  34. 2484
  35. 2048
  36. 860
  37. 1519
  38. 2358
  39. 1813
  40. 3480

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