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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 232 · 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. 1.686 × 8 =
  2. 2.307 × 8 =
  3. 3.466 × 9 =
  4. 4.525 × 8 =
  5. 5.615 × 6 =
  6. 6.885 × 4 =
  7. 7.871 × 5 =
  8. 8.901 × 8 =
  9. 9.263 × 8 =
  10. 10.956 × 8 =
  11. 11.488 × 5 =
  12. 12.461 × 7 =
  13. 13.868 × 3 =
  14. 14.512 × 8 =
  15. 15.412 × 9 =
  16. 16.938 × 4 =
  17. 17.761 × 3 =
  18. 18.237 × 9 =
  19. 19.261 × 4 =
  20. 20.293 × 6 =
  21. 21.681 × 4 =
  22. 22.643 × 8 =
  23. 23.884 × 8 =
  24. 24.496 × 5 =
  25. 25.134 × 3 =
  26. 26.871 × 9 =
  27. 27.144 × 9 =
  28. 28.642 × 4 =
  29. 29.863 × 5 =
  30. 30.663 × 7 =
  31. 31.782 × 7 =
  32. 32.851 × 4 =
  33. 33.298 × 6 =
  34. 34.317 × 9 =
  35. 35.754 × 4 =
  36. 36.316 × 7 =
  37. 37.364 × 9 =
  38. 38.781 × 9 =
  39. 39.961 × 3 =
  40. 40.898 × 4 =

Answer key

  1. 5488
  2. 2456
  3. 4194
  4. 4200
  5. 3690
  6. 3540
  7. 4355
  8. 7208
  9. 2104
  10. 7648
  11. 2440
  12. 3227
  13. 2604
  14. 4096
  15. 3708
  16. 3752
  17. 2283
  18. 2133
  19. 1044
  20. 1758
  21. 2724
  22. 5144
  23. 7072
  24. 2480
  25. 402
  26. 7839
  27. 1296
  28. 2568
  29. 4315
  30. 4641
  31. 5474
  32. 3404
  33. 1788
  34. 2853
  35. 3016
  36. 2212
  37. 3276
  38. 7029
  39. 2883
  40. 3592

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