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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 300 · 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. 1.561 × 8 =
  2. 2.859 × 5 =
  3. 3.216 × 5 =
  4. 4.247 × 4 =
  5. 5.635 × 6 =
  6. 6.694 × 8 =
  7. 7.177 × 8 =
  8. 8.731 × 9 =
  9. 9.954 × 8 =
  10. 10.143 × 7 =
  11. 11.727 × 7 =
  12. 12.224 × 9 =
  13. 13.936 × 5 =
  14. 14.463 × 4 =
  15. 15.375 × 6 =
  16. 16.761 × 6 =
  17. 17.308 × 3 =
  18. 18.842 × 7 =
  19. 19.272 × 8 =
  20. 20.278 × 6 =
  21. 21.226 × 3 =
  22. 22.888 × 4 =
  23. 23.169 × 9 =
  24. 24.555 × 3 =
  25. 25.182 × 5 =
  26. 26.954 × 7 =
  27. 27.352 × 6 =
  28. 28.214 × 9 =
  29. 29.894 × 4 =
  30. 30.867 × 3 =
  31. 31.709 × 8 =
  32. 32.345 × 6 =
  33. 33.864 × 7 =
  34. 34.514 × 7 =
  35. 35.553 × 8 =
  36. 36.765 × 5 =
  37. 37.528 × 5 =
  38. 38.367 × 5 =
  39. 39.573 × 6 =
  40. 40.577 × 5 =

Answer key

  1. 4488
  2. 4295
  3. 1080
  4. 988
  5. 3810
  6. 5552
  7. 1416
  8. 6579
  9. 7632
  10. 1001
  11. 5089
  12. 2016
  13. 4680
  14. 1852
  15. 2250
  16. 4566
  17. 924
  18. 5894
  19. 2176
  20. 1668
  21. 678
  22. 3552
  23. 1521
  24. 1665
  25. 910
  26. 6678
  27. 2112
  28. 1926
  29. 3576
  30. 2601
  31. 5672
  32. 2070
  33. 6048
  34. 3598
  35. 4424
  36. 3825
  37. 2640
  38. 1835
  39. 3438
  40. 2885

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