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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 627 · 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. 1.754 × 8 =
  2. 2.175 × 8 =
  3. 3.343 × 3 =
  4. 4.251 × 7 =
  5. 5.309 × 9 =
  6. 6.861 × 6 =
  7. 7.276 × 3 =
  8. 8.811 × 8 =
  9. 9.242 × 8 =
  10. 10.121 × 6 =
  11. 11.519 × 7 =
  12. 12.387 × 7 =
  13. 13.697 × 5 =
  14. 14.617 × 6 =
  15. 15.971 × 4 =
  16. 16.781 × 3 =
  17. 17.412 × 5 =
  18. 18.683 × 8 =
  19. 19.982 × 8 =
  20. 20.553 × 9 =
  21. 21.161 × 5 =
  22. 22.934 × 5 =
  23. 23.133 × 9 =
  24. 24.854 × 4 =
  25. 25.656 × 4 =
  26. 26.969 × 8 =
  27. 27.791 × 3 =
  28. 28.586 × 5 =
  29. 29.298 × 7 =
  30. 30.386 × 5 =
  31. 31.522 × 7 =
  32. 32.528 × 5 =
  33. 33.246 × 7 =
  34. 34.355 × 6 =
  35. 35.787 × 3 =
  36. 36.309 × 8 =
  37. 37.532 × 8 =
  38. 38.746 × 9 =
  39. 39.398 × 8 =
  40. 40.826 × 7 =

Answer key

  1. 6032
  2. 1400
  3. 1029
  4. 1757
  5. 2781
  6. 5166
  7. 828
  8. 6488
  9. 1936
  10. 726
  11. 3633
  12. 2709
  13. 3485
  14. 3702
  15. 3884
  16. 2343
  17. 2060
  18. 5464
  19. 7856
  20. 4977
  21. 805
  22. 4670
  23. 1197
  24. 3416
  25. 2624
  26. 7752
  27. 2373
  28. 2930
  29. 2086
  30. 1930
  31. 3654
  32. 2640
  33. 1722
  34. 2130
  35. 2361
  36. 2472
  37. 4256
  38. 6714
  39. 3184
  40. 5782

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