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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 659 · 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. 1.351 × 6 =
  2. 2.927 × 6 =
  3. 3.779 × 8 =
  4. 4.961 × 9 =
  5. 5.321 × 7 =
  6. 6.201 × 3 =
  7. 7.112 × 4 =
  8. 8.642 × 5 =
  9. 9.121 × 7 =
  10. 10.614 × 6 =
  11. 11.784 × 7 =
  12. 12.603 × 3 =
  13. 13.212 × 7 =
  14. 14.425 × 5 =
  15. 15.244 × 6 =
  16. 16.576 × 3 =
  17. 17.244 × 8 =
  18. 18.854 × 8 =
  19. 19.112 × 6 =
  20. 20.736 × 3 =
  21. 21.339 × 4 =
  22. 22.206 × 4 =
  23. 23.152 × 9 =
  24. 24.866 × 4 =
  25. 25.306 × 6 =
  26. 26.501 × 7 =
  27. 27.183 × 4 =
  28. 28.911 × 9 =
  29. 29.477 × 3 =
  30. 30.705 × 4 =
  31. 31.467 × 4 =
  32. 32.258 × 7 =
  33. 33.651 × 8 =
  34. 34.641 × 6 =
  35. 35.394 × 3 =
  36. 36.231 × 6 =
  37. 37.679 × 8 =
  38. 38.404 × 9 =
  39. 39.864 × 4 =
  40. 40.193 × 8 =

Answer key

  1. 2106
  2. 5562
  3. 6232
  4. 8649
  5. 2247
  6. 603
  7. 448
  8. 3210
  9. 847
  10. 3684
  11. 5488
  12. 1809
  13. 1484
  14. 2125
  15. 1464
  16. 1728
  17. 1952
  18. 6832
  19. 672
  20. 2208
  21. 1356
  22. 824
  23. 1368
  24. 3464
  25. 1836
  26. 3507
  27. 732
  28. 8199
  29. 1431
  30. 2820
  31. 1868
  32. 1806
  33. 5208
  34. 3846
  35. 1182
  36. 1386
  37. 5432
  38. 3636
  39. 3456
  40. 1544

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