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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 388 · 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. 1.118 × 5 =
  2. 2.148 × 6 =
  3. 3.589 × 5 =
  4. 4.478 × 4 =
  5. 5.657 × 7 =
  6. 6.192 × 6 =
  7. 7.441 × 8 =
  8. 8.942 × 3 =
  9. 9.714 × 8 =
  10. 10.369 × 3 =
  11. 11.328 × 7 =
  12. 12.188 × 8 =
  13. 13.381 × 6 =
  14. 14.339 × 8 =
  15. 15.581 × 7 =
  16. 16.287 × 4 =
  17. 17.316 × 4 =
  18. 18.688 × 3 =
  19. 19.811 × 9 =
  20. 20.674 × 5 =
  21. 21.931 × 6 =
  22. 22.174 × 7 =
  23. 23.284 × 5 =
  24. 24.432 × 9 =
  25. 25.579 × 6 =
  26. 26.314 × 6 =
  27. 27.271 × 5 =
  28. 28.173 × 8 =
  29. 29.379 × 5 =
  30. 30.507 × 4 =
  31. 31.321 × 8 =
  32. 32.251 × 6 =
  33. 33.141 × 4 =
  34. 34.403 × 4 =
  35. 35.799 × 8 =
  36. 36.548 × 9 =
  37. 37.565 × 6 =
  38. 38.229 × 7 =
  39. 39.348 × 4 =
  40. 40.376 × 3 =

Answer key

  1. 590
  2. 888
  3. 2945
  4. 1912
  5. 4599
  6. 1152
  7. 3528
  8. 2826
  9. 5712
  10. 1107
  11. 2296
  12. 1504
  13. 2286
  14. 2712
  15. 4067
  16. 1148
  17. 1264
  18. 2064
  19. 7299
  20. 3370
  21. 5586
  22. 1218
  23. 1420
  24. 3888
  25. 3474
  26. 1884
  27. 1355
  28. 1384
  29. 1895
  30. 2028
  31. 2568
  32. 1506
  33. 564
  34. 1612
  35. 6392
  36. 4932
  37. 3390
  38. 1603
  39. 1392
  40. 1128

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