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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 191 · 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. 1.208 × 4 =
  2. 2.316 × 8 =
  3. 3.323 × 8 =
  4. 4.778 × 8 =
  5. 5.307 × 6 =
  6. 6.492 × 9 =
  7. 7.761 × 7 =
  8. 8.607 × 8 =
  9. 9.472 × 7 =
  10. 10.715 × 8 =
  11. 11.956 × 4 =
  12. 12.463 × 6 =
  13. 13.161 × 4 =
  14. 14.376 × 6 =
  15. 15.523 × 3 =
  16. 16.169 × 8 =
  17. 17.642 × 6 =
  18. 18.827 × 8 =
  19. 19.215 × 5 =
  20. 20.877 × 4 =
  21. 21.562 × 7 =
  22. 22.629 × 7 =
  23. 23.656 × 8 =
  24. 24.173 × 6 =
  25. 25.259 × 3 =
  26. 26.486 × 5 =
  27. 27.981 × 9 =
  28. 28.367 × 4 =
  29. 29.241 × 7 =
  30. 30.345 × 6 =
  31. 31.835 × 4 =
  32. 32.548 × 5 =
  33. 33.114 × 5 =
  34. 34.252 × 8 =
  35. 35.578 × 3 =
  36. 36.321 × 3 =
  37. 37.327 × 3 =
  38. 38.167 × 8 =
  39. 39.369 × 7 =
  40. 40.483 × 7 =

Answer key

  1. 832
  2. 2528
  3. 2584
  4. 6224
  5. 1842
  6. 4428
  7. 5327
  8. 4856
  9. 3304
  10. 5720
  11. 3824
  12. 2778
  13. 644
  14. 2256
  15. 1569
  16. 1352
  17. 3852
  18. 6616
  19. 1075
  20. 3508
  21. 3934
  22. 4403
  23. 5248
  24. 1038
  25. 777
  26. 2430
  27. 8829
  28. 1468
  29. 1687
  30. 2070
  31. 3340
  32. 2740
  33. 570
  34. 2016
  35. 1734
  36. 963
  37. 981
  38. 1336
  39. 2583
  40. 3381

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