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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 496 · 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. 1.424 × 6 =
  2. 2.984 × 3 =
  3. 3.544 × 3 =
  4. 4.516 × 6 =
  5. 5.795 × 4 =
  6. 6.221 × 7 =
  7. 7.791 × 3 =
  8. 8.746 × 7 =
  9. 9.937 × 6 =
  10. 10.711 × 9 =
  11. 11.898 × 8 =
  12. 12.246 × 7 =
  13. 13.501 × 7 =
  14. 14.789 × 6 =
  15. 15.581 × 3 =
  16. 16.261 × 6 =
  17. 17.201 × 7 =
  18. 18.799 × 7 =
  19. 19.875 × 3 =
  20. 20.268 × 7 =
  21. 21.294 × 7 =
  22. 22.148 × 8 =
  23. 23.448 × 8 =
  24. 24.779 × 3 =
  25. 25.659 × 3 =
  26. 26.412 × 8 =
  27. 27.927 × 8 =
  28. 28.979 × 5 =
  29. 29.345 × 7 =
  30. 30.794 × 7 =
  31. 31.853 × 9 =
  32. 32.913 × 6 =
  33. 33.971 × 9 =
  34. 34.306 × 4 =
  35. 35.314 × 7 =
  36. 36.185 × 3 =
  37. 37.238 × 4 =
  38. 38.567 × 4 =
  39. 39.271 × 6 =
  40. 40.916 × 5 =

Answer key

  1. 2544
  2. 2952
  3. 1632
  4. 3096
  5. 3180
  6. 1547
  7. 2373
  8. 5222
  9. 5622
  10. 6399
  11. 7184
  12. 1722
  13. 3507
  14. 4734
  15. 1743
  16. 1566
  17. 1407
  18. 5593
  19. 2625
  20. 1876
  21. 2058
  22. 1184
  23. 3584
  24. 2337
  25. 1977
  26. 3296
  27. 7416
  28. 4895
  29. 2415
  30. 5558
  31. 7677
  32. 5478
  33. 8739
  34. 1224
  35. 2198
  36. 555
  37. 952
  38. 2268
  39. 1626
  40. 4580

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