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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 35 · 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. 1.826 × 8 =
  2. 2.778 × 5 =
  3. 3.342 × 8 =
  4. 4.919 × 7 =
  5. 5.581 × 7 =
  6. 6.424 × 3 =
  7. 7.902 × 4 =
  8. 8.884 × 5 =
  9. 9.145 × 5 =
  10. 10.473 × 6 =
  11. 11.891 × 3 =
  12. 12.574 × 8 =
  13. 13.454 × 8 =
  14. 14.744 × 5 =
  15. 15.691 × 9 =
  16. 16.376 × 8 =
  17. 17.974 × 3 =
  18. 18.986 × 6 =
  19. 19.736 × 7 =
  20. 20.264 × 6 =
  21. 21.774 × 7 =
  22. 22.142 × 6 =
  23. 23.435 × 8 =
  24. 24.271 × 4 =
  25. 25.657 × 3 =
  26. 26.629 × 4 =
  27. 27.447 × 7 =
  28. 28.837 × 5 =
  29. 29.605 × 9 =
  30. 30.676 × 6 =
  31. 31.649 × 3 =
  32. 32.427 × 4 =
  33. 33.462 × 5 =
  34. 34.514 × 3 =
  35. 35.122 × 8 =
  36. 36.129 × 7 =
  37. 37.321 × 3 =
  38. 38.964 × 5 =
  39. 39.115 × 5 =
  40. 40.329 × 3 =

Answer key

  1. 6608
  2. 3890
  3. 2736
  4. 6433
  5. 4067
  6. 1272
  7. 3608
  8. 4420
  9. 725
  10. 2838
  11. 2673
  12. 4592
  13. 3632
  14. 3720
  15. 6219
  16. 3008
  17. 2922
  18. 5916
  19. 5152
  20. 1584
  21. 5418
  22. 852
  23. 3480
  24. 1084
  25. 1971
  26. 2516
  27. 3129
  28. 4185
  29. 5445
  30. 4056
  31. 1947
  32. 1708
  33. 2310
  34. 1542
  35. 976
  36. 903
  37. 963
  38. 4820
  39. 575
  40. 987

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