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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 552 · 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. 1.267 × 8 =
  2. 2.953 × 7 =
  3. 3.191 × 4 =
  4. 4.336 × 6 =
  5. 5.431 × 6 =
  6. 6.687 × 7 =
  7. 7.273 × 4 =
  8. 8.824 × 3 =
  9. 9.674 × 8 =
  10. 10.612 × 7 =
  11. 11.197 × 7 =
  12. 12.794 × 7 =
  13. 13.281 × 7 =
  14. 14.843 × 6 =
  15. 15.494 × 3 =
  16. 16.882 × 4 =
  17. 17.239 × 9 =
  18. 18.969 × 7 =
  19. 19.531 × 4 =
  20. 20.935 × 4 =
  21. 21.671 × 7 =
  22. 22.161 × 4 =
  23. 23.453 × 4 =
  24. 24.811 × 4 =
  25. 25.291 × 9 =
  26. 26.131 × 9 =
  27. 27.581 × 6 =
  28. 28.184 × 9 =
  29. 29.216 × 6 =
  30. 30.415 × 3 =
  31. 31.643 × 4 =
  32. 32.228 × 7 =
  33. 33.311 × 3 =
  34. 34.131 × 7 =
  35. 35.207 × 4 =
  36. 36.243 × 9 =
  37. 37.445 × 7 =
  38. 38.924 × 9 =
  39. 39.449 × 6 =
  40. 40.389 × 3 =

Answer key

  1. 2136
  2. 6671
  3. 764
  4. 2016
  5. 2586
  6. 4809
  7. 1092
  8. 2472
  9. 5392
  10. 4284
  11. 1379
  12. 5558
  13. 1967
  14. 5058
  15. 1482
  16. 3528
  17. 2151
  18. 6783
  19. 2124
  20. 3740
  21. 4697
  22. 644
  23. 1812
  24. 3244
  25. 2619
  26. 1179
  27. 3486
  28. 1656
  29. 1296
  30. 1245
  31. 2572
  32. 1596
  33. 933
  34. 917
  35. 828
  36. 2187
  37. 3115
  38. 8316
  39. 2694
  40. 1167

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