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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 89 · 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. 1.922 × 8 =
  2. 2.585 × 4 =
  3. 3.671 × 5 =
  4. 4.654 × 7 =
  5. 5.144 × 5 =
  6. 6.304 × 3 =
  7. 7.284 × 6 =
  8. 8.504 × 5 =
  9. 9.181 × 8 =
  10. 10.511 × 7 =
  11. 11.832 × 6 =
  12. 12.561 × 6 =
  13. 13.216 × 7 =
  14. 14.904 × 5 =
  15. 15.381 × 4 =
  16. 16.333 × 4 =
  17. 17.801 × 6 =
  18. 18.122 × 5 =
  19. 19.536 × 7 =
  20. 20.151 × 7 =
  21. 21.662 × 3 =
  22. 22.203 × 3 =
  23. 23.856 × 7 =
  24. 24.171 × 6 =
  25. 25.279 × 6 =
  26. 26.645 × 3 =
  27. 27.695 × 5 =
  28. 28.185 × 5 =
  29. 29.279 × 8 =
  30. 30.547 × 9 =
  31. 31.798 × 5 =
  32. 32.544 × 6 =
  33. 33.429 × 4 =
  34. 34.346 × 3 =
  35. 35.619 × 9 =
  36. 36.704 × 6 =
  37. 37.381 × 8 =
  38. 38.628 × 8 =
  39. 39.728 × 4 =
  40. 40.601 × 3 =

Answer key

  1. 7376
  2. 2340
  3. 3355
  4. 4578
  5. 720
  6. 912
  7. 1704
  8. 2520
  9. 1448
  10. 3577
  11. 4992
  12. 3366
  13. 1512
  14. 4520
  15. 1524
  16. 1332
  17. 4806
  18. 610
  19. 3752
  20. 1057
  21. 1986
  22. 609
  23. 5992
  24. 1026
  25. 1674
  26. 1935
  27. 3475
  28. 925
  29. 2232
  30. 4923
  31. 3990
  32. 3264
  33. 1716
  34. 1038
  35. 5571
  36. 4224
  37. 3048
  38. 5024
  39. 2912
  40. 1803

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