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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 914 · 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. 1.764 × 5 =
  2. 2.186 × 6 =
  3. 3.671 × 4 =
  4. 4.248 × 4 =
  5. 5.397 × 6 =
  6. 6.306 × 4 =
  7. 7.611 × 9 =
  8. 8.797 × 9 =
  9. 9.385 × 7 =
  10. 10.164 × 6 =
  11. 11.858 × 9 =
  12. 12.411 × 5 =
  13. 13.121 × 4 =
  14. 14.248 × 7 =
  15. 15.341 × 9 =
  16. 16.401 × 5 =
  17. 17.661 × 3 =
  18. 18.943 × 3 =
  19. 19.272 × 9 =
  20. 20.502 × 9 =
  21. 21.327 × 5 =
  22. 22.353 × 7 =
  23. 23.267 × 3 =
  24. 24.821 × 8 =
  25. 25.627 × 7 =
  26. 26.114 × 5 =
  27. 27.143 × 9 =
  28. 28.364 × 5 =
  29. 29.494 × 7 =
  30. 30.893 × 8 =
  31. 31.169 × 6 =
  32. 32.799 × 7 =
  33. 33.181 × 5 =
  34. 34.354 × 8 =
  35. 35.759 × 9 =
  36. 36.348 × 7 =
  37. 37.699 × 8 =
  38. 38.401 × 6 =
  39. 39.283 × 3 =
  40. 40.471 × 3 =

Answer key

  1. 3820
  2. 1116
  3. 2684
  4. 992
  5. 2382
  6. 1224
  7. 5499
  8. 7173
  9. 2695
  10. 984
  11. 7722
  12. 2055
  13. 484
  14. 1736
  15. 3069
  16. 2005
  17. 1983
  18. 2829
  19. 2448
  20. 4518
  21. 1635
  22. 2471
  23. 801
  24. 6568
  25. 4389
  26. 570
  27. 1287
  28. 1820
  29. 3458
  30. 7144
  31. 1014
  32. 5593
  33. 905
  34. 2832
  35. 6831
  36. 2436
  37. 5592
  38. 2406
  39. 849
  40. 1413

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