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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 483 · 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. 1.889 × 9 =
  2. 2.417 × 3 =
  3. 3.499 × 4 =
  4. 4.338 × 8 =
  5. 5.521 × 5 =
  6. 6.176 × 8 =
  7. 7.203 × 7 =
  8. 8.468 × 8 =
  9. 9.773 × 9 =
  10. 10.331 × 9 =
  11. 11.468 × 7 =
  12. 12.295 × 4 =
  13. 13.668 × 8 =
  14. 14.941 × 4 =
  15. 15.397 × 8 =
  16. 16.159 × 3 =
  17. 17.872 × 7 =
  18. 18.709 × 4 =
  19. 19.655 × 6 =
  20. 20.223 × 5 =
  21. 21.361 × 8 =
  22. 22.363 × 3 =
  23. 23.981 × 5 =
  24. 24.736 × 4 =
  25. 25.279 × 7 =
  26. 26.149 × 9 =
  27. 27.798 × 4 =
  28. 28.367 × 8 =
  29. 29.891 × 6 =
  30. 30.441 × 8 =
  31. 31.265 × 5 =
  32. 32.217 × 3 =
  33. 33.738 × 7 =
  34. 34.132 × 4 =
  35. 35.199 × 6 =
  36. 36.792 × 5 =
  37. 37.211 × 8 =
  38. 38.621 × 9 =
  39. 39.536 × 6 =
  40. 40.599 × 6 =

Answer key

  1. 8001
  2. 1251
  3. 1996
  4. 2704
  5. 2605
  6. 1408
  7. 1421
  8. 3744
  9. 6957
  10. 2979
  11. 3276
  12. 1180
  13. 5344
  14. 3764
  15. 3176
  16. 477
  17. 6104
  18. 2836
  19. 3930
  20. 1115
  21. 2888
  22. 1089
  23. 4905
  24. 2944
  25. 1953
  26. 1341
  27. 3192
  28. 2936
  29. 5346
  30. 3528
  31. 1325
  32. 651
  33. 5166
  34. 528
  35. 1194
  36. 3960
  37. 1688
  38. 5589
  39. 3216
  40. 3594

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