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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 257 · 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. 1.576 × 8 =
  2. 2.418 × 4 =
  3. 3.654 × 9 =
  4. 4.869 × 6 =
  5. 5.642 × 4 =
  6. 6.388 × 9 =
  7. 7.909 × 8 =
  8. 8.891 × 6 =
  9. 9.571 × 3 =
  10. 10.172 × 5 =
  11. 11.231 × 3 =
  12. 12.839 × 4 =
  13. 13.296 × 7 =
  14. 14.822 × 7 =
  15. 15.323 × 8 =
  16. 16.282 × 9 =
  17. 17.281 × 8 =
  18. 18.976 × 8 =
  19. 19.181 × 7 =
  20. 20.267 × 8 =
  21. 21.188 × 7 =
  22. 22.253 × 9 =
  23. 23.927 × 3 =
  24. 24.855 × 9 =
  25. 25.791 × 6 =
  26. 26.251 × 9 =
  27. 27.248 × 8 =
  28. 28.282 × 3 =
  29. 29.449 × 6 =
  30. 30.469 × 5 =
  31. 31.411 × 4 =
  32. 32.634 × 7 =
  33. 33.486 × 5 =
  34. 34.901 × 5 =
  35. 35.283 × 4 =
  36. 36.233 × 3 =
  37. 37.441 × 9 =
  38. 38.784 × 4 =
  39. 39.206 × 4 =
  40. 40.334 × 4 =

Answer key

  1. 4608
  2. 1672
  3. 5886
  4. 5214
  5. 2568
  6. 3492
  7. 7272
  8. 5346
  9. 1713
  10. 860
  11. 693
  12. 3356
  13. 2072
  14. 5754
  15. 2584
  16. 2538
  17. 2248
  18. 7808
  19. 1267
  20. 2136
  21. 1316
  22. 2277
  23. 2781
  24. 7695
  25. 4746
  26. 2259
  27. 1984
  28. 846
  29. 2694
  30. 2345
  31. 1644
  32. 4438
  33. 2430
  34. 4505
  35. 1132
  36. 699
  37. 3969
  38. 3136
  39. 824
  40. 1336

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