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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 209 · 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. 1.984 × 6 =
  2. 2.657 × 6 =
  3. 3.789 × 5 =
  4. 4.468 × 3 =
  5. 5.378 × 7 =
  6. 6.711 × 7 =
  7. 7.121 × 6 =
  8. 8.283 × 6 =
  9. 9.656 × 6 =
  10. 10.829 × 7 =
  11. 11.406 × 4 =
  12. 12.699 × 4 =
  13. 13.787 × 3 =
  14. 14.843 × 4 =
  15. 15.179 × 3 =
  16. 16.819 × 6 =
  17. 17.892 × 8 =
  18. 18.374 × 9 =
  19. 19.565 × 4 =
  20. 20.791 × 5 =
  21. 21.969 × 7 =
  22. 22.387 × 3 =
  23. 23.244 × 3 =
  24. 24.261 × 9 =
  25. 25.214 × 4 =
  26. 26.794 × 3 =
  27. 27.323 × 9 =
  28. 28.184 × 4 =
  29. 29.668 × 8 =
  30. 30.501 × 9 =
  31. 31.647 × 9 =
  32. 32.219 × 3 =
  33. 33.124 × 7 =
  34. 34.518 × 7 =
  35. 35.116 × 3 =
  36. 36.229 × 7 =
  37. 37.877 × 5 =
  38. 38.904 × 6 =
  39. 39.728 × 3 =
  40. 40.168 × 6 =

Answer key

  1. 5904
  2. 3942
  3. 3945
  4. 1404
  5. 2646
  6. 4977
  7. 726
  8. 1698
  9. 3936
  10. 5803
  11. 1624
  12. 2796
  13. 2361
  14. 3372
  15. 537
  16. 4914
  17. 7136
  18. 3366
  19. 2260
  20. 3955
  21. 6783
  22. 1161
  23. 732
  24. 2349
  25. 856
  26. 2382
  27. 2907
  28. 736
  29. 5344
  30. 4509
  31. 5823
  32. 657
  33. 868
  34. 3626
  35. 348
  36. 1603
  37. 4385
  38. 5424
  39. 2184
  40. 1008

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