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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 82 · 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. 1.674 × 7 =
  2. 2.467 × 4 =
  3. 3.369 × 6 =
  4. 4.828 × 8 =
  5. 5.885 × 4 =
  6. 6.619 × 3 =
  7. 7.448 × 3 =
  8. 8.234 × 7 =
  9. 9.773 × 9 =
  10. 10.533 × 7 =
  11. 11.307 × 9 =
  12. 12.333 × 6 =
  13. 13.806 × 5 =
  14. 14.754 × 4 =
  15. 15.505 × 8 =
  16. 16.541 × 5 =
  17. 17.122 × 4 =
  18. 18.147 × 8 =
  19. 19.801 × 5 =
  20. 20.371 × 5 =
  21. 21.444 × 7 =
  22. 22.833 × 8 =
  23. 23.978 × 9 =
  24. 24.779 × 4 =
  25. 25.918 × 3 =
  26. 26.394 × 6 =
  27. 27.174 × 3 =
  28. 28.361 × 3 =
  29. 29.796 × 7 =
  30. 30.661 × 4 =
  31. 31.399 × 8 =
  32. 32.289 × 9 =
  33. 33.398 × 6 =
  34. 34.197 × 6 =
  35. 35.721 × 6 =
  36. 36.474 × 8 =
  37. 37.117 × 9 =
  38. 38.417 × 3 =
  39. 39.676 × 3 =
  40. 40.156 × 9 =

Answer key

  1. 4718
  2. 1868
  3. 2214
  4. 6624
  5. 3540
  6. 1857
  7. 1344
  8. 1638
  9. 6957
  10. 3731
  11. 2763
  12. 1998
  13. 4030
  14. 3016
  15. 4040
  16. 2705
  17. 488
  18. 1176
  19. 4005
  20. 1855
  21. 3108
  22. 6664
  23. 8802
  24. 3116
  25. 2754
  26. 2364
  27. 522
  28. 1083
  29. 5572
  30. 2644
  31. 3192
  32. 2601
  33. 2388
  34. 1182
  35. 4326
  36. 3792
  37. 1053
  38. 1251
  39. 2028
  40. 1404

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