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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 886 · 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. 1.637 × 9 =
  2. 2.356 × 3 =
  3. 3.793 × 6 =
  4. 4.765 × 7 =
  5. 5.713 × 3 =
  6. 6.582 × 3 =
  7. 7.259 × 7 =
  8. 8.218 × 8 =
  9. 9.256 × 3 =
  10. 10.313 × 9 =
  11. 11.277 × 6 =
  12. 12.799 × 6 =
  13. 13.906 × 8 =
  14. 14.483 × 5 =
  15. 15.881 × 3 =
  16. 16.149 × 3 =
  17. 17.273 × 9 =
  18. 18.181 × 6 =
  19. 19.183 × 6 =
  20. 20.454 × 3 =
  21. 21.671 × 5 =
  22. 22.525 × 6 =
  23. 23.842 × 5 =
  24. 24.378 × 9 =
  25. 25.861 × 6 =
  26. 26.377 × 5 =
  27. 27.659 × 3 =
  28. 28.539 × 3 =
  29. 29.362 × 3 =
  30. 30.516 × 4 =
  31. 31.548 × 3 =
  32. 32.208 × 3 =
  33. 33.312 × 8 =
  34. 34.551 × 4 =
  35. 35.642 × 7 =
  36. 36.841 × 5 =
  37. 37.751 × 7 =
  38. 38.221 × 8 =
  39. 39.934 × 6 =
  40. 40.922 × 3 =

Answer key

  1. 5733
  2. 1068
  3. 4758
  4. 5355
  5. 2139
  6. 1746
  7. 1813
  8. 1744
  9. 768
  10. 2817
  11. 1662
  12. 4794
  13. 7248
  14. 2415
  15. 2643
  16. 447
  17. 2457
  18. 1086
  19. 1098
  20. 1362
  21. 3355
  22. 3150
  23. 4210
  24. 3402
  25. 5166
  26. 1885
  27. 1977
  28. 1617
  29. 1086
  30. 2064
  31. 1644
  32. 624
  33. 2496
  34. 2204
  35. 4494
  36. 4205
  37. 5257
  38. 1768
  39. 5604
  40. 2766

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