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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 661 · 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. 1.519 × 5 =
  2. 2.896 × 6 =
  3. 3.794 × 7 =
  4. 4.251 × 9 =
  5. 5.348 × 4 =
  6. 6.724 × 5 =
  7. 7.301 × 9 =
  8. 8.321 × 5 =
  9. 9.971 × 9 =
  10. 10.205 × 9 =
  11. 11.408 × 4 =
  12. 12.265 × 6 =
  13. 13.614 × 8 =
  14. 14.256 × 6 =
  15. 15.142 × 6 =
  16. 16.231 × 8 =
  17. 17.959 × 9 =
  18. 18.398 × 3 =
  19. 19.259 × 8 =
  20. 20.123 × 6 =
  21. 21.935 × 9 =
  22. 22.887 × 7 =
  23. 23.626 × 9 =
  24. 24.457 × 4 =
  25. 25.145 × 5 =
  26. 26.124 × 5 =
  27. 27.657 × 4 =
  28. 28.708 × 7 =
  29. 29.923 × 9 =
  30. 30.511 × 4 =
  31. 31.685 × 7 =
  32. 32.504 × 6 =
  33. 33.953 × 5 =
  34. 34.773 × 3 =
  35. 35.781 × 6 =
  36. 36.689 × 5 =
  37. 37.331 × 4 =
  38. 38.583 × 3 =
  39. 39.572 × 6 =
  40. 40.741 × 5 =

Answer key

  1. 2595
  2. 5376
  3. 5558
  4. 2259
  5. 1392
  6. 3620
  7. 2709
  8. 1605
  9. 8739
  10. 1845
  11. 1632
  12. 1590
  13. 4912
  14. 1536
  15. 852
  16. 1848
  17. 8631
  18. 1194
  19. 2072
  20. 738
  21. 8415
  22. 6209
  23. 5634
  24. 1828
  25. 725
  26. 620
  27. 2628
  28. 4956
  29. 8307
  30. 2044
  31. 4795
  32. 3024
  33. 4765
  34. 2319
  35. 4686
  36. 3445
  37. 1324
  38. 1749
  39. 3432
  40. 3705

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