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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 582 · 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. 1.309 × 3 =
  2. 2.245 × 4 =
  3. 3.301 × 4 =
  4. 4.664 × 6 =
  5. 5.828 × 3 =
  6. 6.321 × 3 =
  7. 7.423 × 7 =
  8. 8.611 × 6 =
  9. 9.557 × 5 =
  10. 10.141 × 7 =
  11. 11.724 × 3 =
  12. 12.284 × 4 =
  13. 13.531 × 9 =
  14. 14.826 × 8 =
  15. 15.494 × 3 =
  16. 16.184 × 8 =
  17. 17.718 × 9 =
  18. 18.411 × 6 =
  19. 19.677 × 9 =
  20. 20.427 × 5 =
  21. 21.598 × 4 =
  22. 22.265 × 4 =
  23. 23.653 × 4 =
  24. 24.146 × 8 =
  25. 25.312 × 7 =
  26. 26.167 × 4 =
  27. 27.221 × 3 =
  28. 28.332 × 7 =
  29. 29.503 × 4 =
  30. 30.963 × 6 =
  31. 31.199 × 4 =
  32. 32.139 × 6 =
  33. 33.447 × 5 =
  34. 34.459 × 3 =
  35. 35.861 × 7 =
  36. 36.536 × 5 =
  37. 37.763 × 7 =
  38. 38.898 × 4 =
  39. 39.753 × 6 =
  40. 40.202 × 8 =

Answer key

  1. 927
  2. 980
  3. 1204
  4. 3984
  5. 2484
  6. 963
  7. 2961
  8. 3666
  9. 2785
  10. 987
  11. 2172
  12. 1136
  13. 4779
  14. 6608
  15. 1482
  16. 1472
  17. 6462
  18. 2466
  19. 6093
  20. 2135
  21. 2392
  22. 1060
  23. 2612
  24. 1168
  25. 2184
  26. 668
  27. 663
  28. 2324
  29. 2012
  30. 5778
  31. 796
  32. 834
  33. 2235
  34. 1377
  35. 6027
  36. 2680
  37. 5341
  38. 3592
  39. 4518
  40. 1616

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