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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 535 · 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. 1.468 × 3 =
  2. 2.274 × 5 =
  3. 3.606 × 7 =
  4. 4.308 × 8 =
  5. 5.473 × 5 =
  6. 6.431 × 8 =
  7. 7.238 × 6 =
  8. 8.951 × 6 =
  9. 9.535 × 6 =
  10. 10.857 × 5 =
  11. 11.613 × 6 =
  12. 12.526 × 6 =
  13. 13.583 × 6 =
  14. 14.906 × 8 =
  15. 15.337 × 9 =
  16. 16.791 × 4 =
  17. 17.179 × 3 =
  18. 18.272 × 9 =
  19. 19.267 × 9 =
  20. 20.941 × 7 =
  21. 21.501 × 3 =
  22. 22.911 × 9 =
  23. 23.989 × 7 =
  24. 24.695 × 8 =
  25. 25.326 × 9 =
  26. 26.906 × 4 =
  27. 27.129 × 3 =
  28. 28.194 × 6 =
  29. 29.845 × 5 =
  30. 30.335 × 3 =
  31. 31.936 × 5 =
  32. 32.496 × 5 =
  33. 33.528 × 8 =
  34. 34.725 × 4 =
  35. 35.629 × 7 =
  36. 36.175 × 4 =
  37. 37.654 × 3 =
  38. 38.919 × 8 =
  39. 39.682 × 5 =
  40. 40.231 × 9 =

Answer key

  1. 1404
  2. 1370
  3. 4242
  4. 2464
  5. 2365
  6. 3448
  7. 1428
  8. 5706
  9. 3210
  10. 4285
  11. 3678
  12. 3156
  13. 3498
  14. 7248
  15. 3033
  16. 3164
  17. 537
  18. 2448
  19. 2403
  20. 6587
  21. 1503
  22. 8199
  23. 6923
  24. 5560
  25. 2934
  26. 3624
  27. 387
  28. 1164
  29. 4225
  30. 1005
  31. 4680
  32. 2480
  33. 4224
  34. 2900
  35. 4403
  36. 700
  37. 1962
  38. 7352
  39. 3410
  40. 2079

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