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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 106 · 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. 1.741 × 4 =
  2. 2.815 × 5 =
  3. 3.879 × 6 =
  4. 4.269 × 8 =
  5. 5.331 × 6 =
  6. 6.119 × 3 =
  7. 7.837 × 7 =
  8. 8.185 × 3 =
  9. 9.221 × 8 =
  10. 10.149 × 4 =
  11. 11.514 × 7 =
  12. 12.475 × 8 =
  13. 13.781 × 8 =
  14. 14.948 × 4 =
  15. 15.461 × 9 =
  16. 16.216 × 3 =
  17. 17.643 × 3 =
  18. 18.976 × 3 =
  19. 19.581 × 3 =
  20. 20.329 × 8 =
  21. 21.918 × 9 =
  22. 22.527 × 5 =
  23. 23.694 × 4 =
  24. 24.897 × 9 =
  25. 25.502 × 3 =
  26. 26.341 × 7 =
  27. 27.616 × 5 =
  28. 28.587 × 5 =
  29. 29.878 × 4 =
  30. 30.215 × 8 =
  31. 31.165 × 8 =
  32. 32.857 × 4 =
  33. 33.219 × 9 =
  34. 34.669 × 7 =
  35. 35.255 × 6 =
  36. 36.512 × 9 =
  37. 37.617 × 5 =
  38. 38.402 × 9 =
  39. 39.395 × 7 =
  40. 40.722 × 7 =

Answer key

  1. 2964
  2. 4075
  3. 5274
  4. 2152
  5. 1986
  6. 357
  7. 5859
  8. 555
  9. 1768
  10. 596
  11. 3598
  12. 3800
  13. 6248
  14. 3792
  15. 4149
  16. 648
  17. 1929
  18. 2928
  19. 1743
  20. 2632
  21. 8262
  22. 2635
  23. 2776
  24. 8073
  25. 1506
  26. 2387
  27. 3080
  28. 2935
  29. 3512
  30. 1720
  31. 1320
  32. 3428
  33. 1971
  34. 4683
  35. 1530
  36. 4608
  37. 3085
  38. 3618
  39. 2765
  40. 5054

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