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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 498 · 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. 1.907 × 8 =
  2. 2.435 × 3 =
  3. 3.577 × 6 =
  4. 4.837 × 8 =
  5. 5.329 × 9 =
  6. 6.983 × 6 =
  7. 7.559 × 3 =
  8. 8.964 × 7 =
  9. 9.344 × 5 =
  10. 10.711 × 7 =
  11. 11.834 × 9 =
  12. 12.863 × 7 =
  13. 13.789 × 8 =
  14. 14.216 × 8 =
  15. 15.652 × 9 =
  16. 16.975 × 8 =
  17. 17.585 × 8 =
  18. 18.423 × 7 =
  19. 19.592 × 9 =
  20. 20.391 × 4 =
  21. 21.848 × 4 =
  22. 22.906 × 5 =
  23. 23.411 × 9 =
  24. 24.558 × 4 =
  25. 25.165 × 4 =
  26. 26.711 × 6 =
  27. 27.177 × 7 =
  28. 28.721 × 8 =
  29. 29.183 × 7 =
  30. 30.962 × 6 =
  31. 31.303 × 5 =
  32. 32.282 × 9 =
  33. 33.759 × 8 =
  34. 34.471 × 6 =
  35. 35.156 × 7 =
  36. 36.693 × 4 =
  37. 37.288 × 3 =
  38. 38.311 × 6 =
  39. 39.515 × 4 =
  40. 40.498 × 8 =

Answer key

  1. 7256
  2. 1305
  3. 3462
  4. 6696
  5. 2961
  6. 5898
  7. 1677
  8. 6748
  9. 1720
  10. 4977
  11. 7506
  12. 6041
  13. 6312
  14. 1728
  15. 5868
  16. 7800
  17. 4680
  18. 2961
  19. 5328
  20. 1564
  21. 3392
  22. 4530
  23. 3699
  24. 2232
  25. 660
  26. 4266
  27. 1239
  28. 5768
  29. 1281
  30. 5772
  31. 1515
  32. 2538
  33. 6072
  34. 2826
  35. 1092
  36. 2772
  37. 864
  38. 1866
  39. 2060
  40. 3984

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