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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 766 · 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. 1.432 × 5 =
  2. 2.511 × 5 =
  3. 3.411 × 8 =
  4. 4.924 × 5 =
  5. 5.882 × 3 =
  6. 6.578 × 3 =
  7. 7.662 × 9 =
  8. 8.279 × 3 =
  9. 9.629 × 3 =
  10. 10.633 × 9 =
  11. 11.874 × 3 =
  12. 12.545 × 6 =
  13. 13.682 × 6 =
  14. 14.979 × 8 =
  15. 15.626 × 5 =
  16. 16.932 × 8 =
  17. 17.987 × 8 =
  18. 18.791 × 5 =
  19. 19.824 × 9 =
  20. 20.355 × 8 =
  21. 21.666 × 5 =
  22. 22.841 × 7 =
  23. 23.378 × 9 =
  24. 24.159 × 8 =
  25. 25.261 × 6 =
  26. 26.625 × 3 =
  27. 27.738 × 5 =
  28. 28.385 × 3 =
  29. 29.545 × 7 =
  30. 30.177 × 4 =
  31. 31.936 × 4 =
  32. 32.211 × 4 =
  33. 33.568 × 9 =
  34. 34.224 × 6 =
  35. 35.414 × 7 =
  36. 36.907 × 6 =
  37. 37.289 × 4 =
  38. 38.197 × 3 =
  39. 39.122 × 9 =
  40. 40.958 × 4 =

Answer key

  1. 2160
  2. 2555
  3. 3288
  4. 4620
  5. 2646
  6. 1734
  7. 5958
  8. 837
  9. 1887
  10. 5697
  11. 2622
  12. 3270
  13. 4092
  14. 7832
  15. 3130
  16. 7456
  17. 7896
  18. 3955
  19. 7416
  20. 2840
  21. 3330
  22. 5887
  23. 3402
  24. 1272
  25. 1566
  26. 1875
  27. 3690
  28. 1155
  29. 3815
  30. 708
  31. 3744
  32. 844
  33. 5112
  34. 1344
  35. 2898
  36. 5442
  37. 1156
  38. 591
  39. 1098
  40. 3832

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