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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 954 · 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. 1.519 × 4 =
  2. 2.871 × 7 =
  3. 3.978 × 8 =
  4. 4.645 × 8 =
  5. 5.726 × 4 =
  6. 6.979 × 7 =
  7. 7.302 × 7 =
  8. 8.701 × 3 =
  9. 9.829 × 3 =
  10. 10.358 × 9 =
  11. 11.672 × 3 =
  12. 12.882 × 5 =
  13. 13.844 × 5 =
  14. 14.777 × 3 =
  15. 15.555 × 5 =
  16. 16.684 × 9 =
  17. 17.444 × 4 =
  18. 18.929 × 4 =
  19. 19.507 × 4 =
  20. 20.302 × 3 =
  21. 21.294 × 8 =
  22. 22.791 × 3 =
  23. 23.476 × 9 =
  24. 24.872 × 4 =
  25. 25.839 × 6 =
  26. 26.711 × 8 =
  27. 27.217 × 4 =
  28. 28.949 × 3 =
  29. 29.339 × 9 =
  30. 30.138 × 3 =
  31. 31.244 × 6 =
  32. 32.151 × 5 =
  33. 33.809 × 9 =
  34. 34.181 × 4 =
  35. 35.434 × 6 =
  36. 36.424 × 3 =
  37. 37.348 × 7 =
  38. 38.835 × 6 =
  39. 39.532 × 6 =
  40. 40.241 × 3 =

Answer key

  1. 2076
  2. 6097
  3. 7824
  4. 5160
  5. 2904
  6. 6853
  7. 2114
  8. 2103
  9. 2487
  10. 3222
  11. 2016
  12. 4410
  13. 4220
  14. 2331
  15. 2775
  16. 6156
  17. 1776
  18. 3716
  19. 2028
  20. 906
  21. 2352
  22. 2373
  23. 4284
  24. 3488
  25. 5034
  26. 5688
  27. 868
  28. 2847
  29. 3051
  30. 414
  31. 1464
  32. 755
  33. 7281
  34. 724
  35. 2604
  36. 1272
  37. 2436
  38. 5010
  39. 3192
  40. 723

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