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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 829 · 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. 1.861 × 6 =
  2. 2.918 × 8 =
  3. 3.719 × 4 =
  4. 4.823 × 8 =
  5. 5.802 × 5 =
  6. 6.751 × 4 =
  7. 7.838 × 8 =
  8. 8.792 × 3 =
  9. 9.532 × 7 =
  10. 10.382 × 3 =
  11. 11.341 × 9 =
  12. 12.879 × 5 =
  13. 13.848 × 9 =
  14. 14.644 × 5 =
  15. 15.509 × 9 =
  16. 16.607 × 4 =
  17. 17.855 × 9 =
  18. 18.537 × 7 =
  19. 19.263 × 7 =
  20. 20.641 × 4 =
  21. 21.889 × 8 =
  22. 22.127 × 7 =
  23. 23.284 × 6 =
  24. 24.301 × 9 =
  25. 25.398 × 4 =
  26. 26.157 × 3 =
  27. 27.357 × 6 =
  28. 28.756 × 4 =
  29. 29.761 × 4 =
  30. 30.954 × 6 =
  31. 31.343 × 3 =
  32. 32.892 × 5 =
  33. 33.721 × 6 =
  34. 34.677 × 7 =
  35. 35.151 × 7 =
  36. 36.588 × 5 =
  37. 37.597 × 9 =
  38. 38.351 × 8 =
  39. 39.801 × 9 =
  40. 40.217 × 4 =

Answer key

  1. 5166
  2. 7344
  3. 2876
  4. 6584
  5. 4010
  6. 3004
  7. 6704
  8. 2376
  9. 3724
  10. 1146
  11. 3069
  12. 4395
  13. 7632
  14. 3220
  15. 4581
  16. 2428
  17. 7695
  18. 3759
  19. 1841
  20. 2564
  21. 7112
  22. 889
  23. 1704
  24. 2709
  25. 1592
  26. 471
  27. 2142
  28. 3024
  29. 3044
  30. 5724
  31. 1029
  32. 4460
  33. 4326
  34. 4739
  35. 1057
  36. 2940
  37. 5373
  38. 2808
  39. 7209
  40. 868

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