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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 565 · 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. 1.416 × 8 =
  2. 2.926 × 5 =
  3. 3.764 × 8 =
  4. 4.217 × 8 =
  5. 5.195 × 6 =
  6. 6.882 × 8 =
  7. 7.203 × 3 =
  8. 8.485 × 7 =
  9. 9.281 × 9 =
  10. 10.553 × 5 =
  11. 11.749 × 4 =
  12. 12.323 × 4 =
  13. 13.151 × 5 =
  14. 14.917 × 5 =
  15. 15.259 × 7 =
  16. 16.186 × 5 =
  17. 17.643 × 7 =
  18. 18.347 × 8 =
  19. 19.321 × 8 =
  20. 20.338 × 7 =
  21. 21.395 × 3 =
  22. 22.775 × 3 =
  23. 23.211 × 4 =
  24. 24.147 × 8 =
  25. 25.872 × 4 =
  26. 26.889 × 3 =
  27. 27.248 × 7 =
  28. 28.504 × 8 =
  29. 29.501 × 8 =
  30. 30.832 × 5 =
  31. 31.242 × 4 =
  32. 32.865 × 9 =
  33. 33.236 × 3 =
  34. 34.539 × 6 =
  35. 35.381 × 7 =
  36. 36.155 × 5 =
  37. 37.446 × 7 =
  38. 38.848 × 6 =
  39. 39.981 × 7 =
  40. 40.592 × 5 =

Answer key

  1. 3328
  2. 4630
  3. 6112
  4. 1736
  5. 1170
  6. 7056
  7. 609
  8. 3395
  9. 2529
  10. 2765
  11. 2996
  12. 1292
  13. 755
  14. 4585
  15. 1813
  16. 930
  17. 4501
  18. 2776
  19. 2568
  20. 2366
  21. 1185
  22. 2325
  23. 844
  24. 1176
  25. 3488
  26. 2667
  27. 1736
  28. 4032
  29. 4008
  30. 4160
  31. 968
  32. 7785
  33. 708
  34. 3234
  35. 2667
  36. 775
  37. 3122
  38. 5088
  39. 6867
  40. 2960

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