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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 310 · 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. 1.796 × 9 =
  2. 2.392 × 6 =
  3. 3.969 × 3 =
  4. 4.289 × 3 =
  5. 5.973 × 9 =
  6. 6.769 × 5 =
  7. 7.449 × 4 =
  8. 8.971 × 8 =
  9. 9.344 × 3 =
  10. 10.594 × 7 =
  11. 11.357 × 8 =
  12. 12.611 × 3 =
  13. 13.983 × 3 =
  14. 14.763 × 5 =
  15. 15.228 × 8 =
  16. 16.566 × 3 =
  17. 17.554 × 9 =
  18. 18.198 × 8 =
  19. 19.572 × 6 =
  20. 20.831 × 7 =
  21. 21.608 × 9 =
  22. 22.286 × 7 =
  23. 23.225 × 4 =
  24. 24.925 × 5 =
  25. 25.655 × 3 =
  26. 26.871 × 4 =
  27. 27.671 × 6 =
  28. 28.161 × 5 =
  29. 29.963 × 7 =
  30. 30.168 × 7 =
  31. 31.312 × 6 =
  32. 32.253 × 7 =
  33. 33.961 × 4 =
  34. 34.456 × 4 =
  35. 35.331 × 4 =
  36. 36.941 × 7 =
  37. 37.116 × 5 =
  38. 38.419 × 8 =
  39. 39.417 × 9 =
  40. 40.954 × 4 =

Answer key

  1. 7164
  2. 2352
  3. 2907
  4. 867
  5. 8757
  6. 3845
  7. 1796
  8. 7768
  9. 1032
  10. 4158
  11. 2856
  12. 1833
  13. 2949
  14. 3815
  15. 1824
  16. 1698
  17. 4986
  18. 1584
  19. 3432
  20. 5817
  21. 5472
  22. 2002
  23. 900
  24. 4625
  25. 1965
  26. 3484
  27. 4026
  28. 805
  29. 6741
  30. 1176
  31. 1872
  32. 1771
  33. 3844
  34. 1824
  35. 1324
  36. 6587
  37. 580
  38. 3352
  39. 3753
  40. 3816

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