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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 92 · 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. 1.431 × 3 =
  2. 2.681 × 7 =
  3. 3.263 × 6 =
  4. 4.917 × 8 =
  5. 5.178 × 3 =
  6. 6.839 × 8 =
  7. 7.158 × 3 =
  8. 8.601 × 9 =
  9. 9.785 × 3 =
  10. 10.344 × 9 =
  11. 11.161 × 4 =
  12. 12.539 × 6 =
  13. 13.764 × 6 =
  14. 14.878 × 5 =
  15. 15.313 × 8 =
  16. 16.114 × 9 =
  17. 17.762 × 6 =
  18. 18.321 × 3 =
  19. 19.531 × 6 =
  20. 20.899 × 4 =
  21. 21.331 × 9 =
  22. 22.358 × 8 =
  23. 23.429 × 3 =
  24. 24.775 × 4 =
  25. 25.729 × 5 =
  26. 26.299 × 3 =
  27. 27.607 × 5 =
  28. 28.394 × 6 =
  29. 29.765 × 6 =
  30. 30.858 × 5 =
  31. 31.396 × 4 =
  32. 32.654 × 3 =
  33. 33.415 × 4 =
  34. 34.763 × 3 =
  35. 35.231 × 9 =
  36. 36.686 × 7 =
  37. 37.635 × 5 =
  38. 38.871 × 7 =
  39. 39.609 × 6 =
  40. 40.719 × 8 =

Answer key

  1. 1293
  2. 4767
  3. 1578
  4. 7336
  5. 534
  6. 6712
  7. 474
  8. 5409
  9. 2355
  10. 3096
  11. 644
  12. 3234
  13. 4584
  14. 4390
  15. 2504
  16. 1026
  17. 4572
  18. 963
  19. 3186
  20. 3596
  21. 2979
  22. 2864
  23. 1287
  24. 3100
  25. 3645
  26. 897
  27. 3035
  28. 2364
  29. 4590
  30. 4290
  31. 1584
  32. 1962
  33. 1660
  34. 2289
  35. 2079
  36. 4802
  37. 3175
  38. 6097
  39. 3654
  40. 5752

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