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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 602 · 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 × 4 =
  2. 2.435 × 9 =
  3. 3.464 × 3 =
  4. 4.149 × 9 =
  5. 5.474 × 8 =
  6. 6.271 × 7 =
  7. 7.813 × 7 =
  8. 8.593 × 5 =
  9. 9.533 × 4 =
  10. 10.628 × 5 =
  11. 11.329 × 3 =
  12. 12.719 × 9 =
  13. 13.799 × 5 =
  14. 14.165 × 7 =
  15. 15.603 × 7 =
  16. 16.296 × 5 =
  17. 17.701 × 8 =
  18. 18.121 × 5 =
  19. 19.707 × 9 =
  20. 20.654 × 3 =
  21. 21.755 × 6 =
  22. 22.759 × 5 =
  23. 23.596 × 6 =
  24. 24.216 × 6 =
  25. 25.832 × 9 =
  26. 26.974 × 7 =
  27. 27.413 × 5 =
  28. 28.529 × 4 =
  29. 29.337 × 3 =
  30. 30.211 × 8 =
  31. 31.845 × 3 =
  32. 32.814 × 3 =
  33. 33.323 × 6 =
  34. 34.773 × 5 =
  35. 35.536 × 9 =
  36. 36.149 × 8 =
  37. 37.506 × 5 =
  38. 38.321 × 4 =
  39. 39.486 × 6 =
  40. 40.166 × 8 =

Answer key

  1. 1696
  2. 3915
  3. 1392
  4. 1341
  5. 3792
  6. 1897
  7. 5691
  8. 2965
  9. 2132
  10. 3140
  11. 987
  12. 6471
  13. 3995
  14. 1155
  15. 4221
  16. 1480
  17. 5608
  18. 605
  19. 6363
  20. 1962
  21. 4530
  22. 3795
  23. 3576
  24. 1296
  25. 7488
  26. 6818
  27. 2065
  28. 2116
  29. 1011
  30. 1688
  31. 2535
  32. 2442
  33. 1938
  34. 3865
  35. 4824
  36. 1192
  37. 2530
  38. 1284
  39. 2916
  40. 1328

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