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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 117 · 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. 1.552 × 5 =
  2. 2.297 × 9 =
  3. 3.787 × 4 =
  4. 4.939 × 9 =
  5. 5.142 × 5 =
  6. 6.302 × 4 =
  7. 7.143 × 9 =
  8. 8.476 × 4 =
  9. 9.889 × 4 =
  10. 10.176 × 7 =
  11. 11.194 × 7 =
  12. 12.903 × 8 =
  13. 13.807 × 4 =
  14. 14.605 × 5 =
  15. 15.592 × 6 =
  16. 16.335 × 5 =
  17. 17.979 × 3 =
  18. 18.658 × 8 =
  19. 19.486 × 9 =
  20. 20.211 × 9 =
  21. 21.864 × 3 =
  22. 22.264 × 4 =
  23. 23.216 × 9 =
  24. 24.137 × 8 =
  25. 25.585 × 3 =
  26. 26.432 × 4 =
  27. 27.167 × 9 =
  28. 28.821 × 4 =
  29. 29.826 × 8 =
  30. 30.282 × 3 =
  31. 31.311 × 5 =
  32. 32.801 × 6 =
  33. 33.851 × 4 =
  34. 34.243 × 8 =
  35. 35.719 × 8 =
  36. 36.988 × 5 =
  37. 37.294 × 3 =
  38. 38.551 × 9 =
  39. 39.477 × 8 =
  40. 40.238 × 5 =

Answer key

  1. 2760
  2. 2673
  3. 3148
  4. 8451
  5. 710
  6. 1208
  7. 1287
  8. 1904
  9. 3556
  10. 1232
  11. 1358
  12. 7224
  13. 3228
  14. 3025
  15. 3552
  16. 1675
  17. 2937
  18. 5264
  19. 4374
  20. 1899
  21. 2592
  22. 1056
  23. 1944
  24. 1096
  25. 1755
  26. 1728
  27. 1503
  28. 3284
  29. 6608
  30. 846
  31. 1555
  32. 4806
  33. 3404
  34. 1944
  35. 5752
  36. 4940
  37. 882
  38. 4959
  39. 3816
  40. 1190

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