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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 430 · 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. 1.521 × 8 =
  2. 2.926 × 4 =
  3. 3.341 × 4 =
  4. 4.874 × 9 =
  5. 5.112 × 8 =
  6. 6.803 × 8 =
  7. 7.258 × 5 =
  8. 8.892 × 4 =
  9. 9.928 × 8 =
  10. 10.975 × 4 =
  11. 11.327 × 6 =
  12. 12.185 × 3 =
  13. 13.196 × 4 =
  14. 14.474 × 9 =
  15. 15.941 × 8 =
  16. 16.872 × 7 =
  17. 17.906 × 6 =
  18. 18.422 × 7 =
  19. 19.147 × 7 =
  20. 20.911 × 3 =
  21. 21.526 × 5 =
  22. 22.563 × 9 =
  23. 23.183 × 7 =
  24. 24.274 × 6 =
  25. 25.466 × 9 =
  26. 26.873 × 6 =
  27. 27.162 × 3 =
  28. 28.889 × 6 =
  29. 29.535 × 4 =
  30. 30.641 × 3 =
  31. 31.695 × 6 =
  32. 32.804 × 8 =
  33. 33.325 × 7 =
  34. 34.749 × 7 =
  35. 35.724 × 6 =
  36. 36.372 × 5 =
  37. 37.384 × 6 =
  38. 38.507 × 3 =
  39. 39.119 × 6 =
  40. 40.898 × 6 =

Answer key

  1. 4168
  2. 3704
  3. 1364
  4. 7866
  5. 896
  6. 6424
  7. 1290
  8. 3568
  9. 7424
  10. 3900
  11. 1962
  12. 555
  13. 784
  14. 4266
  15. 7528
  16. 6104
  17. 5436
  18. 2954
  19. 1029
  20. 2733
  21. 2630
  22. 5067
  23. 1281
  24. 1644
  25. 4194
  26. 5238
  27. 486
  28. 5334
  29. 2140
  30. 1923
  31. 4170
  32. 6432
  33. 2275
  34. 5243
  35. 4344
  36. 1860
  37. 2304
  38. 1521
  39. 714
  40. 5388

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