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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 698 · 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. 1.146 × 4 =
  2. 2.431 × 7 =
  3. 3.718 × 6 =
  4. 4.535 × 3 =
  5. 5.227 × 4 =
  6. 6.879 × 9 =
  7. 7.795 × 9 =
  8. 8.128 × 9 =
  9. 9.161 × 5 =
  10. 10.884 × 6 =
  11. 11.282 × 7 =
  12. 12.878 × 5 =
  13. 13.124 × 7 =
  14. 14.251 × 6 =
  15. 15.675 × 6 =
  16. 16.656 × 8 =
  17. 17.709 × 5 =
  18. 18.139 × 7 =
  19. 19.809 × 8 =
  20. 20.414 × 7 =
  21. 21.683 × 5 =
  22. 22.982 × 8 =
  23. 23.284 × 8 =
  24. 24.852 × 5 =
  25. 25.852 × 6 =
  26. 26.833 × 7 =
  27. 27.971 × 8 =
  28. 28.217 × 7 =
  29. 29.298 × 5 =
  30. 30.852 × 4 =
  31. 31.506 × 4 =
  32. 32.754 × 9 =
  33. 33.302 × 6 =
  34. 34.191 × 4 =
  35. 35.728 × 6 =
  36. 36.265 × 5 =
  37. 37.261 × 8 =
  38. 38.143 × 3 =
  39. 39.796 × 3 =
  40. 40.228 × 6 =

Answer key

  1. 584
  2. 3017
  3. 4308
  4. 1605
  5. 908
  6. 7911
  7. 7155
  8. 1152
  9. 805
  10. 5304
  11. 1974
  12. 4390
  13. 868
  14. 1506
  15. 4050
  16. 5248
  17. 3545
  18. 973
  19. 6472
  20. 2898
  21. 3415
  22. 7856
  23. 2272
  24. 4260
  25. 5112
  26. 5831
  27. 7768
  28. 1519
  29. 1490
  30. 3408
  31. 2024
  32. 6786
  33. 1812
  34. 764
  35. 4368
  36. 1325
  37. 2088
  38. 429
  39. 2388
  40. 1368

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