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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 633 · 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. 1.919 × 5 =
  2. 2.177 × 6 =
  3. 3.775 × 8 =
  4. 4.158 × 4 =
  5. 5.736 × 6 =
  6. 6.501 × 5 =
  7. 7.569 × 3 =
  8. 8.851 × 7 =
  9. 9.332 × 3 =
  10. 10.779 × 7 =
  11. 11.684 × 7 =
  12. 12.459 × 3 =
  13. 13.901 × 8 =
  14. 14.766 × 9 =
  15. 15.629 × 9 =
  16. 16.827 × 9 =
  17. 17.984 × 9 =
  18. 18.178 × 5 =
  19. 19.563 × 4 =
  20. 20.569 × 5 =
  21. 21.299 × 3 =
  22. 22.483 × 6 =
  23. 23.113 × 6 =
  24. 24.485 × 8 =
  25. 25.211 × 7 =
  26. 26.518 × 6 =
  27. 27.432 × 8 =
  28. 28.893 × 7 =
  29. 29.587 × 7 =
  30. 30.234 × 4 =
  31. 31.917 × 5 =
  32. 32.937 × 6 =
  33. 33.753 × 3 =
  34. 34.982 × 6 =
  35. 35.713 × 9 =
  36. 36.865 × 5 =
  37. 37.335 × 7 =
  38. 38.953 × 6 =
  39. 39.146 × 4 =
  40. 40.941 × 8 =

Answer key

  1. 4595
  2. 1062
  3. 6200
  4. 632
  5. 4416
  6. 2505
  7. 1707
  8. 5957
  9. 996
  10. 5453
  11. 4788
  12. 1377
  13. 7208
  14. 6894
  15. 5661
  16. 7443
  17. 8856
  18. 890
  19. 2252
  20. 2845
  21. 897
  22. 2898
  23. 678
  24. 3880
  25. 1477
  26. 3108
  27. 3456
  28. 6251
  29. 4109
  30. 936
  31. 4585
  32. 5622
  33. 2259
  34. 5892
  35. 6417
  36. 4325
  37. 2345
  38. 5718
  39. 584
  40. 7528

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