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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 148 · 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. 1.393 × 5 =
  2. 2.671 × 4 =
  3. 3.807 × 3 =
  4. 4.468 × 7 =
  5. 5.193 × 3 =
  6. 6.621 × 4 =
  7. 7.717 × 7 =
  8. 8.896 × 8 =
  9. 9.791 × 8 =
  10. 10.597 × 7 =
  11. 11.717 × 5 =
  12. 12.901 × 5 =
  13. 13.919 × 6 =
  14. 14.743 × 9 =
  15. 15.308 × 6 =
  16. 16.252 × 8 =
  17. 17.989 × 9 =
  18. 18.614 × 8 =
  19. 19.579 × 9 =
  20. 20.551 × 9 =
  21. 21.632 × 3 =
  22. 22.705 × 7 =
  23. 23.873 × 6 =
  24. 24.664 × 6 =
  25. 25.319 × 6 =
  26. 26.931 × 8 =
  27. 27.742 × 5 =
  28. 28.318 × 8 =
  29. 29.836 × 8 =
  30. 30.547 × 4 =
  31. 31.386 × 5 =
  32. 32.599 × 4 =
  33. 33.638 × 4 =
  34. 34.304 × 4 =
  35. 35.986 × 6 =
  36. 36.937 × 7 =
  37. 37.482 × 9 =
  38. 38.469 × 7 =
  39. 39.708 × 3 =
  40. 40.499 × 8 =

Answer key

  1. 1965
  2. 2684
  3. 2421
  4. 3276
  5. 579
  6. 2484
  7. 5019
  8. 7168
  9. 6328
  10. 4179
  11. 3585
  12. 4505
  13. 5514
  14. 6687
  15. 1848
  16. 2016
  17. 8901
  18. 4912
  19. 5211
  20. 4959
  21. 1896
  22. 4935
  23. 5238
  24. 3984
  25. 1914
  26. 7448
  27. 3710
  28. 2544
  29. 6688
  30. 2188
  31. 1930
  32. 2396
  33. 2552
  34. 1216
  35. 5916
  36. 6559
  37. 4338
  38. 3283
  39. 2124
  40. 3992

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