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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 791 · 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. 1.847 × 3 =
  2. 2.654 × 6 =
  3. 3.418 × 8 =
  4. 4.945 × 8 =
  5. 5.851 × 4 =
  6. 6.426 × 7 =
  7. 7.753 × 7 =
  8. 8.404 × 5 =
  9. 9.317 × 9 =
  10. 10.383 × 9 =
  11. 11.951 × 4 =
  12. 12.508 × 4 =
  13. 13.763 × 3 =
  14. 14.622 × 8 =
  15. 15.275 × 8 =
  16. 16.775 × 7 =
  17. 17.777 × 3 =
  18. 18.804 × 3 =
  19. 19.495 × 7 =
  20. 20.189 × 3 =
  21. 21.826 × 6 =
  22. 22.981 × 4 =
  23. 23.714 × 3 =
  24. 24.654 × 8 =
  25. 25.302 × 9 =
  26. 26.558 × 4 =
  27. 27.489 × 9 =
  28. 28.294 × 3 =
  29. 29.611 × 9 =
  30. 30.488 × 4 =
  31. 31.149 × 3 =
  32. 32.313 × 7 =
  33. 33.962 × 5 =
  34. 34.713 × 3 =
  35. 35.925 × 3 =
  36. 36.897 × 4 =
  37. 37.624 × 5 =
  38. 38.972 × 4 =
  39. 39.418 × 9 =
  40. 40.857 × 7 =

Answer key

  1. 2541
  2. 3924
  3. 3344
  4. 7560
  5. 3404
  6. 2982
  7. 5271
  8. 2020
  9. 2853
  10. 3447
  11. 3804
  12. 2032
  13. 2289
  14. 4976
  15. 2200
  16. 5425
  17. 2331
  18. 2412
  19. 3465
  20. 567
  21. 4956
  22. 3924
  23. 2142
  24. 5232
  25. 2718
  26. 2232
  27. 4401
  28. 882
  29. 5499
  30. 1952
  31. 447
  32. 2191
  33. 4810
  34. 2139
  35. 2775
  36. 3588
  37. 3120
  38. 3888
  39. 3762
  40. 5999

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