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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 161 · 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. 1.901 × 7 =
  2. 2.326 × 7 =
  3. 3.825 × 9 =
  4. 4.446 × 6 =
  5. 5.696 × 4 =
  6. 6.793 × 6 =
  7. 7.889 × 5 =
  8. 8.505 × 9 =
  9. 9.961 × 6 =
  10. 10.683 × 9 =
  11. 11.623 × 6 =
  12. 12.985 × 5 =
  13. 13.223 × 6 =
  14. 14.899 × 6 =
  15. 15.231 × 8 =
  16. 16.524 × 6 =
  17. 17.959 × 9 =
  18. 18.796 × 7 =
  19. 19.316 × 6 =
  20. 20.285 × 9 =
  21. 21.527 × 8 =
  22. 22.448 × 7 =
  23. 23.279 × 5 =
  24. 24.671 × 6 =
  25. 25.629 × 8 =
  26. 26.531 × 8 =
  27. 27.294 × 4 =
  28. 28.581 × 4 =
  29. 29.571 × 6 =
  30. 30.732 × 9 =
  31. 31.684 × 7 =
  32. 32.279 × 9 =
  33. 33.388 × 8 =
  34. 34.817 × 3 =
  35. 35.161 × 4 =
  36. 36.751 × 8 =
  37. 37.905 × 3 =
  38. 38.625 × 3 =
  39. 39.273 × 3 =
  40. 40.763 × 6 =

Answer key

  1. 6307
  2. 2282
  3. 7425
  4. 2676
  5. 2784
  6. 4758
  7. 4445
  8. 4545
  9. 5766
  10. 6147
  11. 3738
  12. 4925
  13. 1338
  14. 5394
  15. 1848
  16. 3144
  17. 8631
  18. 5572
  19. 1896
  20. 2565
  21. 4216
  22. 3136
  23. 1395
  24. 4026
  25. 5032
  26. 4248
  27. 1176
  28. 2324
  29. 3426
  30. 6588
  31. 4788
  32. 2511
  33. 3104
  34. 2451
  35. 644
  36. 6008
  37. 2715
  38. 1875
  39. 819
  40. 4578

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