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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 492 · 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. 1.916 × 9 =
  2. 2.888 × 5 =
  3. 3.879 × 7 =
  4. 4.636 × 4 =
  5. 5.269 × 8 =
  6. 6.352 × 8 =
  7. 7.545 × 5 =
  8. 8.157 × 4 =
  9. 9.871 × 4 =
  10. 10.536 × 7 =
  11. 11.232 × 5 =
  12. 12.254 × 6 =
  13. 13.306 × 5 =
  14. 14.961 × 7 =
  15. 15.205 × 9 =
  16. 16.748 × 5 =
  17. 17.822 × 6 =
  18. 18.942 × 3 =
  19. 19.117 × 6 =
  20. 20.542 × 5 =
  21. 21.581 × 8 =
  22. 22.208 × 3 =
  23. 23.989 × 9 =
  24. 24.446 × 5 =
  25. 25.682 × 5 =
  26. 26.957 × 8 =
  27. 27.731 × 3 =
  28. 28.192 × 5 =
  29. 29.427 × 9 =
  30. 30.299 × 5 =
  31. 31.806 × 5 =
  32. 32.471 × 4 =
  33. 33.206 × 5 =
  34. 34.336 × 6 =
  35. 35.496 × 7 =
  36. 36.439 × 9 =
  37. 37.221 × 8 =
  38. 38.643 × 7 =
  39. 39.596 × 4 =
  40. 40.194 × 9 =

Answer key

  1. 8244
  2. 4440
  3. 6153
  4. 2544
  5. 2152
  6. 2816
  7. 2725
  8. 628
  9. 3484
  10. 3752
  11. 1160
  12. 1524
  13. 1530
  14. 6727
  15. 1845
  16. 3740
  17. 4932
  18. 2826
  19. 702
  20. 2710
  21. 4648
  22. 624
  23. 8901
  24. 2230
  25. 3410
  26. 7656
  27. 2193
  28. 960
  29. 3843
  30. 1495
  31. 4030
  32. 1884
  33. 1030
  34. 2016
  35. 3472
  36. 3951
  37. 1768
  38. 4501
  39. 2384
  40. 1746

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