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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 395 · 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. 1.962 × 8 =
  2. 2.873 × 4 =
  3. 3.295 × 4 =
  4. 4.181 × 6 =
  5. 5.611 × 4 =
  6. 6.418 × 4 =
  7. 7.131 × 7 =
  8. 8.845 × 6 =
  9. 9.344 × 4 =
  10. 10.377 × 8 =
  11. 11.854 × 8 =
  12. 12.203 × 6 =
  13. 13.646 × 5 =
  14. 14.643 × 8 =
  15. 15.789 × 7 =
  16. 16.377 × 6 =
  17. 17.786 × 4 =
  18. 18.147 × 5 =
  19. 19.674 × 4 =
  20. 20.153 × 5 =
  21. 21.327 × 9 =
  22. 22.115 × 6 =
  23. 23.392 × 9 =
  24. 24.619 × 7 =
  25. 25.765 × 8 =
  26. 26.685 × 9 =
  27. 27.351 × 3 =
  28. 28.598 × 8 =
  29. 29.973 × 6 =
  30. 30.139 × 6 =
  31. 31.344 × 8 =
  32. 32.805 × 3 =
  33. 33.481 × 6 =
  34. 34.915 × 8 =
  35. 35.241 × 3 =
  36. 36.241 × 8 =
  37. 37.937 × 7 =
  38. 38.345 × 3 =
  39. 39.274 × 4 =
  40. 40.216 × 4 =

Answer key

  1. 7696
  2. 3492
  3. 1180
  4. 1086
  5. 2444
  6. 1672
  7. 917
  8. 5070
  9. 1376
  10. 3016
  11. 6832
  12. 1218
  13. 3230
  14. 5144
  15. 5523
  16. 2262
  17. 3144
  18. 735
  19. 2696
  20. 765
  21. 2943
  22. 690
  23. 3528
  24. 4333
  25. 6120
  26. 6165
  27. 1053
  28. 4784
  29. 5838
  30. 834
  31. 2752
  32. 2415
  33. 2886
  34. 7320
  35. 723
  36. 1928
  37. 6559
  38. 1035
  39. 1096
  40. 864

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