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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 68 · 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. 1.116 × 8 =
  2. 2.799 × 8 =
  3. 3.247 × 6 =
  4. 4.138 × 9 =
  5. 5.281 × 6 =
  6. 6.276 × 6 =
  7. 7.228 × 4 =
  8. 8.271 × 7 =
  9. 9.589 × 9 =
  10. 10.707 × 4 =
  11. 11.325 × 4 =
  12. 12.175 × 8 =
  13. 13.456 × 4 =
  14. 14.748 × 8 =
  15. 15.805 × 9 =
  16. 16.395 × 4 =
  17. 17.939 × 9 =
  18. 18.531 × 6 =
  19. 19.922 × 5 =
  20. 20.541 × 8 =
  21. 21.204 × 8 =
  22. 22.287 × 7 =
  23. 23.265 × 3 =
  24. 24.384 × 6 =
  25. 25.788 × 4 =
  26. 26.251 × 9 =
  27. 27.491 × 4 =
  28. 28.249 × 4 =
  29. 29.523 × 8 =
  30. 30.508 × 5 =
  31. 31.741 × 3 =
  32. 32.309 × 5 =
  33. 33.881 × 7 =
  34. 34.654 × 5 =
  35. 35.348 × 7 =
  36. 36.418 × 3 =
  37. 37.583 × 8 =
  38. 38.634 × 8 =
  39. 39.873 × 8 =
  40. 40.169 × 9 =

Answer key

  1. 928
  2. 6392
  3. 1482
  4. 1242
  5. 1686
  6. 1656
  7. 912
  8. 1897
  9. 5301
  10. 2828
  11. 1300
  12. 1400
  13. 1824
  14. 5984
  15. 7245
  16. 1580
  17. 8451
  18. 3186
  19. 4610
  20. 4328
  21. 1632
  22. 2009
  23. 795
  24. 2304
  25. 3152
  26. 2259
  27. 1964
  28. 996
  29. 4184
  30. 2540
  31. 2223
  32. 1545
  33. 6167
  34. 3270
  35. 2436
  36. 1254
  37. 4664
  38. 5072
  39. 6984
  40. 1521

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