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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 263 · 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. 1.785 × 6 =
  2. 2.801 × 3 =
  3. 3.926 × 8 =
  4. 4.641 × 8 =
  5. 5.968 × 3 =
  6. 6.185 × 7 =
  7. 7.255 × 4 =
  8. 8.514 × 6 =
  9. 9.692 × 4 =
  10. 10.583 × 6 =
  11. 11.435 × 7 =
  12. 12.361 × 5 =
  13. 13.486 × 3 =
  14. 14.204 × 3 =
  15. 15.811 × 8 =
  16. 16.841 × 5 =
  17. 17.477 × 7 =
  18. 18.234 × 8 =
  19. 19.768 × 3 =
  20. 20.787 × 8 =
  21. 21.165 × 8 =
  22. 22.567 × 4 =
  23. 23.761 × 5 =
  24. 24.207 × 5 =
  25. 25.337 × 6 =
  26. 26.341 × 4 =
  27. 27.727 × 4 =
  28. 28.157 × 7 =
  29. 29.419 × 6 =
  30. 30.972 × 8 =
  31. 31.615 × 7 =
  32. 32.759 × 3 =
  33. 33.816 × 7 =
  34. 34.259 × 8 =
  35. 35.609 × 6 =
  36. 36.329 × 8 =
  37. 37.389 × 7 =
  38. 38.335 × 5 =
  39. 39.273 × 3 =
  40. 40.749 × 4 =

Answer key

  1. 4710
  2. 2403
  3. 7408
  4. 5128
  5. 2904
  6. 1295
  7. 1020
  8. 3084
  9. 2768
  10. 3498
  11. 3045
  12. 1805
  13. 1458
  14. 612
  15. 6488
  16. 4205
  17. 3339
  18. 1872
  19. 2304
  20. 6296
  21. 1320
  22. 2268
  23. 3805
  24. 1035
  25. 2022
  26. 1364
  27. 2908
  28. 1099
  29. 2514
  30. 7776
  31. 4305
  32. 2277
  33. 5712
  34. 2072
  35. 3654
  36. 2632
  37. 2723
  38. 1675
  39. 819
  40. 2996

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