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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 315 · 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. 1.397 × 7 =
  2. 2.222 × 9 =
  3. 3.821 × 3 =
  4. 4.281 × 8 =
  5. 5.804 × 9 =
  6. 6.885 × 8 =
  7. 7.521 × 7 =
  8. 8.556 × 9 =
  9. 9.512 × 4 =
  10. 10.133 × 4 =
  11. 11.211 × 7 =
  12. 12.135 × 8 =
  13. 13.141 × 8 =
  14. 14.335 × 5 =
  15. 15.681 × 3 =
  16. 16.691 × 8 =
  17. 17.552 × 5 =
  18. 18.634 × 7 =
  19. 19.646 × 4 =
  20. 20.351 × 7 =
  21. 21.536 × 6 =
  22. 22.668 × 6 =
  23. 23.415 × 9 =
  24. 24.871 × 4 =
  25. 25.901 × 3 =
  26. 26.894 × 5 =
  27. 27.186 × 6 =
  28. 28.351 × 9 =
  29. 29.415 × 4 =
  30. 30.981 × 5 =
  31. 31.472 × 5 =
  32. 32.523 × 7 =
  33. 33.413 × 9 =
  34. 34.287 × 9 =
  35. 35.896 × 7 =
  36. 36.852 × 3 =
  37. 37.319 × 3 =
  38. 38.874 × 3 =
  39. 39.146 × 6 =
  40. 40.974 × 6 =

Answer key

  1. 2779
  2. 1998
  3. 2463
  4. 2248
  5. 7236
  6. 7080
  7. 3647
  8. 5004
  9. 2048
  10. 532
  11. 1477
  12. 1080
  13. 1128
  14. 1675
  15. 2043
  16. 5528
  17. 2760
  18. 4438
  19. 2584
  20. 2457
  21. 3216
  22. 4008
  23. 3735
  24. 3484
  25. 2703
  26. 4470
  27. 1116
  28. 3159
  29. 1660
  30. 4905
  31. 2360
  32. 3661
  33. 3717
  34. 2583
  35. 6272
  36. 2556
  37. 957
  38. 2622
  39. 876
  40. 5844

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