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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 541 · 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. 1.276 × 7 =
  2. 2.884 × 5 =
  3. 3.542 × 4 =
  4. 4.399 × 6 =
  5. 5.862 × 8 =
  6. 6.692 × 9 =
  7. 7.489 × 5 =
  8. 8.435 × 4 =
  9. 9.715 × 4 =
  10. 10.274 × 4 =
  11. 11.628 × 3 =
  12. 12.671 × 3 =
  13. 13.966 × 9 =
  14. 14.671 × 7 =
  15. 15.267 × 3 =
  16. 16.951 × 7 =
  17. 17.141 × 5 =
  18. 18.903 × 5 =
  19. 19.815 × 4 =
  20. 20.988 × 7 =
  21. 21.368 × 6 =
  22. 22.412 × 5 =
  23. 23.247 × 5 =
  24. 24.393 × 4 =
  25. 25.413 × 4 =
  26. 26.262 × 4 =
  27. 27.771 × 6 =
  28. 28.784 × 8 =
  29. 29.408 × 5 =
  30. 30.699 × 4 =
  31. 31.571 × 7 =
  32. 32.962 × 5 =
  33. 33.218 × 8 =
  34. 34.681 × 8 =
  35. 35.231 × 3 =
  36. 36.804 × 8 =
  37. 37.862 × 4 =
  38. 38.493 × 7 =
  39. 39.802 × 4 =
  40. 40.571 × 4 =

Answer key

  1. 1932
  2. 4420
  3. 2168
  4. 2394
  5. 6896
  6. 6228
  7. 2445
  8. 1740
  9. 2860
  10. 1096
  11. 1884
  12. 2013
  13. 8694
  14. 4697
  15. 801
  16. 6657
  17. 705
  18. 4515
  19. 3260
  20. 6916
  21. 2208
  22. 2060
  23. 1235
  24. 1572
  25. 1652
  26. 1048
  27. 4626
  28. 6272
  29. 2040
  30. 2796
  31. 3997
  32. 4810
  33. 1744
  34. 5448
  35. 693
  36. 6432
  37. 3448
  38. 3451
  39. 3208
  40. 2284

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