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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 542 · 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. 1.294 × 5 =
  2. 2.641 × 4 =
  3. 3.201 × 4 =
  4. 4.624 × 5 =
  5. 5.552 × 6 =
  6. 6.185 × 3 =
  7. 7.291 × 6 =
  8. 8.804 × 8 =
  9. 9.822 × 5 =
  10. 10.971 × 5 =
  11. 11.478 × 5 =
  12. 12.292 × 9 =
  13. 13.651 × 7 =
  14. 14.204 × 6 =
  15. 15.652 × 7 =
  16. 16.115 × 5 =
  17. 17.276 × 9 =
  18. 18.588 × 8 =
  19. 19.411 × 6 =
  20. 20.154 × 9 =
  21. 21.191 × 6 =
  22. 22.755 × 3 =
  23. 23.826 × 9 =
  24. 24.242 × 7 =
  25. 25.814 × 7 =
  26. 26.662 × 6 =
  27. 27.815 × 6 =
  28. 28.464 × 3 =
  29. 29.315 × 6 =
  30. 30.269 × 8 =
  31. 31.625 × 6 =
  32. 32.275 × 4 =
  33. 33.628 × 6 =
  34. 34.967 × 6 =
  35. 35.383 × 9 =
  36. 36.971 × 9 =
  37. 37.532 × 4 =
  38. 38.839 × 3 =
  39. 39.766 × 7 =
  40. 40.378 × 4 =

Answer key

  1. 1470
  2. 2564
  3. 804
  4. 3120
  5. 3312
  6. 555
  7. 1746
  8. 6432
  9. 4110
  10. 4855
  11. 2390
  12. 2628
  13. 4557
  14. 1224
  15. 4564
  16. 575
  17. 2484
  18. 4704
  19. 2466
  20. 1386
  21. 1146
  22. 2265
  23. 7434
  24. 1694
  25. 5698
  26. 3972
  27. 4890
  28. 1392
  29. 1890
  30. 2152
  31. 3750
  32. 1100
  33. 3768
  34. 5802
  35. 3447
  36. 8739
  37. 2128
  38. 2517
  39. 5362
  40. 1512

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