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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 451 · 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. 1.701 × 4 =
  2. 2.627 × 4 =
  3. 3.161 × 4 =
  4. 4.381 × 6 =
  5. 5.198 × 3 =
  6. 6.179 × 3 =
  7. 7.787 × 4 =
  8. 8.671 × 8 =
  9. 9.314 × 3 =
  10. 10.127 × 3 =
  11. 11.401 × 3 =
  12. 12.671 × 9 =
  13. 13.395 × 8 =
  14. 14.557 × 7 =
  15. 15.739 × 7 =
  16. 16.902 × 4 =
  17. 17.431 × 7 =
  18. 18.949 × 8 =
  19. 19.236 × 9 =
  20. 20.897 × 6 =
  21. 21.776 × 8 =
  22. 22.371 × 4 =
  23. 23.238 × 3 =
  24. 24.318 × 9 =
  25. 25.324 × 9 =
  26. 26.531 × 3 =
  27. 27.156 × 4 =
  28. 28.304 × 3 =
  29. 29.347 × 4 =
  30. 30.709 × 6 =
  31. 31.826 × 4 =
  32. 32.293 × 8 =
  33. 33.119 × 7 =
  34. 34.983 × 9 =
  35. 35.613 × 4 =
  36. 36.805 × 3 =
  37. 37.232 × 8 =
  38. 38.938 × 9 =
  39. 39.801 × 6 =
  40. 40.367 × 6 =

Answer key

  1. 2804
  2. 2508
  3. 644
  4. 2286
  5. 594
  6. 537
  7. 3148
  8. 5368
  9. 942
  10. 381
  11. 1203
  12. 6039
  13. 3160
  14. 3899
  15. 5173
  16. 3608
  17. 3017
  18. 7592
  19. 2124
  20. 5382
  21. 6208
  22. 1484
  23. 714
  24. 2862
  25. 2916
  26. 1593
  27. 624
  28. 912
  29. 1388
  30. 4254
  31. 3304
  32. 2344
  33. 833
  34. 8847
  35. 2452
  36. 2415
  37. 1856
  38. 8442
  39. 4806
  40. 2202

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