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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 961 · 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. 1.215 × 8 =
  2. 2.256 × 6 =
  3. 3.845 × 3 =
  4. 4.414 × 9 =
  5. 5.476 × 7 =
  6. 6.855 × 6 =
  7. 7.849 × 5 =
  8. 8.577 × 9 =
  9. 9.405 × 4 =
  10. 10.359 × 3 =
  11. 11.801 × 5 =
  12. 12.144 × 3 =
  13. 13.531 × 3 =
  14. 14.715 × 9 =
  15. 15.132 × 3 =
  16. 16.976 × 6 =
  17. 17.648 × 3 =
  18. 18.318 × 5 =
  19. 19.756 × 7 =
  20. 20.862 × 9 =
  21. 21.915 × 6 =
  22. 22.294 × 8 =
  23. 23.874 × 3 =
  24. 24.724 × 8 =
  25. 25.189 × 7 =
  26. 26.908 × 3 =
  27. 27.483 × 7 =
  28. 28.831 × 7 =
  29. 29.438 × 8 =
  30. 30.816 × 3 =
  31. 31.291 × 8 =
  32. 32.296 × 6 =
  33. 33.461 × 7 =
  34. 34.198 × 7 =
  35. 35.551 × 4 =
  36. 36.643 × 7 =
  37. 37.589 × 8 =
  38. 38.751 × 5 =
  39. 39.905 × 3 =
  40. 40.462 × 9 =

Answer key

  1. 1720
  2. 1536
  3. 2535
  4. 3726
  5. 3332
  6. 5130
  7. 4245
  8. 5193
  9. 1620
  10. 1077
  11. 4005
  12. 432
  13. 1593
  14. 6435
  15. 396
  16. 5856
  17. 1944
  18. 1590
  19. 5292
  20. 7758
  21. 5490
  22. 2352
  23. 2622
  24. 5792
  25. 1323
  26. 2724
  27. 3381
  28. 5817
  29. 3504
  30. 2448
  31. 2328
  32. 1776
  33. 3227
  34. 1386
  35. 2204
  36. 4501
  37. 4712
  38. 3755
  39. 2715
  40. 4158

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