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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 108 · 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. 1.485 × 4 =
  2. 2.893 × 3 =
  3. 3.749 × 9 =
  4. 4.885 × 3 =
  5. 5.341 × 8 =
  6. 6.619 × 7 =
  7. 7.748 × 8 =
  8. 8.352 × 6 =
  9. 9.564 × 4 =
  10. 10.326 × 9 =
  11. 11.962 × 7 =
  12. 12.346 × 5 =
  13. 13.818 × 4 =
  14. 14.806 × 5 =
  15. 15.894 × 3 =
  16. 16.491 × 3 =
  17. 17.974 × 3 =
  18. 18.218 × 3 =
  19. 19.295 × 3 =
  20. 20.221 × 3 =
  21. 21.821 × 3 =
  22. 22.336 × 9 =
  23. 23.235 × 8 =
  24. 24.369 × 9 =
  25. 25.803 × 6 =
  26. 26.471 × 3 =
  27. 27.637 × 8 =
  28. 28.295 × 5 =
  29. 29.981 × 7 =
  30. 30.806 × 6 =
  31. 31.771 × 3 =
  32. 32.482 × 9 =
  33. 33.978 × 6 =
  34. 34.711 × 4 =
  35. 35.251 × 5 =
  36. 36.194 × 6 =
  37. 37.576 × 6 =
  38. 38.551 × 9 =
  39. 39.876 × 5 =
  40. 40.941 × 7 =

Answer key

  1. 1940
  2. 2679
  3. 6741
  4. 2655
  5. 2728
  6. 4333
  7. 5984
  8. 2112
  9. 2256
  10. 2934
  11. 6734
  12. 1730
  13. 3272
  14. 4030
  15. 2682
  16. 1473
  17. 2922
  18. 654
  19. 885
  20. 663
  21. 2463
  22. 3024
  23. 1880
  24. 3321
  25. 4818
  26. 1413
  27. 5096
  28. 1475
  29. 6867
  30. 4836
  31. 2313
  32. 4338
  33. 5868
  34. 2844
  35. 1255
  36. 1164
  37. 3456
  38. 4959
  39. 4380
  40. 6587

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