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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 254 · 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. 1.794 × 9 =
  2. 2.808 × 8 =
  3. 3.167 × 8 =
  4. 4.748 × 7 =
  5. 5.318 × 4 =
  6. 6.783 × 6 =
  7. 7.963 × 6 =
  8. 8.579 × 7 =
  9. 9.343 × 4 =
  10. 10.474 × 5 =
  11. 11.303 × 3 =
  12. 12.986 × 3 =
  13. 13.157 × 4 =
  14. 14.579 × 6 =
  15. 15.386 × 8 =
  16. 16.767 × 4 =
  17. 17.556 × 6 =
  18. 18.496 × 6 =
  19. 19.677 × 8 =
  20. 20.196 × 3 =
  21. 21.196 × 6 =
  22. 22.845 × 8 =
  23. 23.304 × 6 =
  24. 24.134 × 4 =
  25. 25.227 × 4 =
  26. 26.229 × 6 =
  27. 27.429 × 5 =
  28. 28.838 × 5 =
  29. 29.179 × 9 =
  30. 30.289 × 9 =
  31. 31.572 × 6 =
  32. 32.304 × 8 =
  33. 33.586 × 5 =
  34. 34.483 × 8 =
  35. 35.779 × 4 =
  36. 36.265 × 7 =
  37. 37.617 × 8 =
  38. 38.786 × 7 =
  39. 39.608 × 9 =
  40. 40.653 × 3 =

Answer key

  1. 7146
  2. 6464
  3. 1336
  4. 5236
  5. 1272
  6. 4698
  7. 5778
  8. 4053
  9. 1372
  10. 2370
  11. 909
  12. 2958
  13. 628
  14. 3474
  15. 3088
  16. 3068
  17. 3336
  18. 2976
  19. 5416
  20. 588
  21. 1176
  22. 6760
  23. 1824
  24. 536
  25. 908
  26. 1374
  27. 2145
  28. 4190
  29. 1611
  30. 2601
  31. 3432
  32. 2432
  33. 2930
  34. 3864
  35. 3116
  36. 1855
  37. 4936
  38. 5502
  39. 5472
  40. 1959

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