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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 754 · 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. 1.457 × 8 =
  2. 2.801 × 7 =
  3. 3.157 × 4 =
  4. 4.577 × 8 =
  5. 5.808 × 6 =
  6. 6.571 × 4 =
  7. 7.559 × 8 =
  8. 8.853 × 4 =
  9. 9.305 × 7 =
  10. 10.177 × 8 =
  11. 11.566 × 3 =
  12. 12.167 × 9 =
  13. 13.151 × 4 =
  14. 14.632 × 8 =
  15. 15.532 × 6 =
  16. 16.633 × 4 =
  17. 17.383 × 9 =
  18. 18.179 × 9 =
  19. 19.869 × 8 =
  20. 20.258 × 8 =
  21. 21.344 × 7 =
  22. 22.934 × 6 =
  23. 23.891 × 7 =
  24. 24.741 × 9 =
  25. 25.812 × 7 =
  26. 26.539 × 7 =
  27. 27.237 × 4 =
  28. 28.735 × 9 =
  29. 29.759 × 8 =
  30. 30.617 × 8 =
  31. 31.735 × 8 =
  32. 32.925 × 7 =
  33. 33.831 × 4 =
  34. 34.347 × 7 =
  35. 35.508 × 9 =
  36. 36.297 × 8 =
  37. 37.943 × 3 =
  38. 38.115 × 7 =
  39. 39.191 × 5 =
  40. 40.866 × 4 =

Answer key

  1. 3656
  2. 5607
  3. 628
  4. 4616
  5. 4848
  6. 2284
  7. 4472
  8. 3412
  9. 2135
  10. 1416
  11. 1698
  12. 1503
  13. 604
  14. 5056
  15. 3192
  16. 2532
  17. 3447
  18. 1611
  19. 6952
  20. 2064
  21. 2408
  22. 5604
  23. 6237
  24. 6669
  25. 5684
  26. 3773
  27. 948
  28. 6615
  29. 6072
  30. 4936
  31. 5880
  32. 6475
  33. 3324
  34. 2429
  35. 4572
  36. 2376
  37. 2829
  38. 805
  39. 955
  40. 3464

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