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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 655 · 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. 1.268 × 6 =
  2. 2.921 × 9 =
  3. 3.537 × 4 =
  4. 4.547 × 5 =
  5. 5.987 × 4 =
  6. 6.783 × 3 =
  7. 7.221 × 8 =
  8. 8.364 × 3 =
  9. 9.892 × 4 =
  10. 10.929 × 6 =
  11. 11.311 × 4 =
  12. 12.366 × 6 =
  13. 13.571 × 7 =
  14. 14.515 × 3 =
  15. 15.225 × 3 =
  16. 16.229 × 6 =
  17. 17.966 × 3 =
  18. 18.643 × 6 =
  19. 19.956 × 3 =
  20. 20.434 × 4 =
  21. 21.321 × 6 =
  22. 22.558 × 7 =
  23. 23.472 × 3 =
  24. 24.455 × 8 =
  25. 25.543 × 3 =
  26. 26.894 × 4 =
  27. 27.637 × 4 =
  28. 28.554 × 9 =
  29. 29.699 × 6 =
  30. 30.688 × 4 =
  31. 31.721 × 3 =
  32. 32.568 × 3 =
  33. 33.849 × 4 =
  34. 34.396 × 6 =
  35. 35.941 × 8 =
  36. 36.685 × 3 =
  37. 37.671 × 4 =
  38. 38.386 × 6 =
  39. 39.163 × 3 =
  40. 40.761 × 8 =

Answer key

  1. 1608
  2. 8289
  3. 2148
  4. 2735
  5. 3948
  6. 2349
  7. 1768
  8. 1092
  9. 3568
  10. 5574
  11. 1244
  12. 2196
  13. 3997
  14. 1545
  15. 675
  16. 1374
  17. 2898
  18. 3858
  19. 2868
  20. 1736
  21. 1926
  22. 3906
  23. 1416
  24. 3640
  25. 1629
  26. 3576
  27. 2548
  28. 4986
  29. 4194
  30. 2752
  31. 2163
  32. 1704
  33. 3396
  34. 2376
  35. 7528
  36. 2055
  37. 2684
  38. 2316
  39. 489
  40. 6088

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