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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 531 · 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. 1.903 × 9 =
  2. 2.213 × 9 =
  3. 3.594 × 6 =
  4. 4.349 × 7 =
  5. 5.229 × 4 =
  6. 6.605 × 9 =
  7. 7.891 × 9 =
  8. 8.883 × 3 =
  9. 9.267 × 6 =
  10. 10.372 × 5 =
  11. 11.223 × 4 =
  12. 12.609 × 5 =
  13. 13.644 × 6 =
  14. 14.402 × 3 =
  15. 15.689 × 8 =
  16. 16.361 × 5 =
  17. 17.593 × 7 =
  18. 18.338 × 3 =
  19. 19.253 × 3 =
  20. 20.732 × 6 =
  21. 21.135 × 5 =
  22. 22.862 × 5 =
  23. 23.959 × 8 =
  24. 24.701 × 6 =
  25. 25.718 × 9 =
  26. 26.643 × 5 =
  27. 27.297 × 9 =
  28. 28.167 × 7 =
  29. 29.921 × 7 =
  30. 30.837 × 8 =
  31. 31.758 × 6 =
  32. 32.649 × 9 =
  33. 33.665 × 3 =
  34. 34.741 × 4 =
  35. 35.665 × 6 =
  36. 36.563 × 9 =
  37. 37.326 × 6 =
  38. 38.374 × 9 =
  39. 39.882 × 6 =
  40. 40.319 × 8 =

Answer key

  1. 8127
  2. 1917
  3. 3564
  4. 2443
  5. 916
  6. 5445
  7. 8019
  8. 2649
  9. 1602
  10. 1860
  11. 892
  12. 3045
  13. 3864
  14. 1206
  15. 5512
  16. 1805
  17. 4151
  18. 1014
  19. 759
  20. 4392
  21. 675
  22. 4310
  23. 7672
  24. 4206
  25. 6462
  26. 3215
  27. 2673
  28. 1169
  29. 6447
  30. 6696
  31. 4548
  32. 5841
  33. 1995
  34. 2964
  35. 3990
  36. 5067
  37. 1956
  38. 3366
  39. 5292
  40. 2552

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