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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 903 · 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. 1.491 × 5 =
  2. 2.506 × 5 =
  3. 3.616 × 6 =
  4. 4.746 × 8 =
  5. 5.981 × 5 =
  6. 6.904 × 3 =
  7. 7.501 × 9 =
  8. 8.593 × 4 =
  9. 9.299 × 7 =
  10. 10.338 × 9 =
  11. 11.265 × 5 =
  12. 12.776 × 8 =
  13. 13.129 × 7 =
  14. 14.836 × 7 =
  15. 15.403 × 6 =
  16. 16.382 × 9 =
  17. 17.185 × 5 =
  18. 18.732 × 3 =
  19. 19.611 × 5 =
  20. 20.574 × 5 =
  21. 21.482 × 4 =
  22. 22.787 × 7 =
  23. 23.984 × 4 =
  24. 24.724 × 9 =
  25. 25.339 × 3 =
  26. 26.243 × 4 =
  27. 27.479 × 8 =
  28. 28.196 × 8 =
  29. 29.511 × 6 =
  30. 30.698 × 8 =
  31. 31.501 × 3 =
  32. 32.496 × 6 =
  33. 33.852 × 9 =
  34. 34.186 × 9 =
  35. 35.579 × 3 =
  36. 36.364 × 3 =
  37. 37.784 × 5 =
  38. 38.952 × 4 =
  39. 39.809 × 4 =
  40. 40.184 × 8 =

Answer key

  1. 2455
  2. 2530
  3. 3696
  4. 5968
  5. 4905
  6. 2712
  7. 4509
  8. 2372
  9. 2093
  10. 3042
  11. 1325
  12. 6208
  13. 903
  14. 5852
  15. 2418
  16. 3438
  17. 925
  18. 2196
  19. 3055
  20. 2870
  21. 1928
  22. 5509
  23. 3936
  24. 6516
  25. 1017
  26. 972
  27. 3832
  28. 1568
  29. 3066
  30. 5584
  31. 1503
  32. 2976
  33. 7668
  34. 1674
  35. 1737
  36. 1092
  37. 3920
  38. 3808
  39. 3236
  40. 1472

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