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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 198 · 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. 1.848 × 3 =
  2. 2.969 × 6 =
  3. 3.772 × 6 =
  4. 4.981 × 5 =
  5. 5.331 × 4 =
  6. 6.207 × 6 =
  7. 7.776 × 7 =
  8. 8.361 × 5 =
  9. 9.773 × 5 =
  10. 10.335 × 6 =
  11. 11.589 × 3 =
  12. 12.124 × 7 =
  13. 13.531 × 6 =
  14. 14.668 × 8 =
  15. 15.553 × 9 =
  16. 16.914 × 9 =
  17. 17.255 × 5 =
  18. 18.466 × 5 =
  19. 19.332 × 8 =
  20. 20.227 × 4 =
  21. 21.394 × 7 =
  22. 22.749 × 8 =
  23. 23.318 × 4 =
  24. 24.488 × 3 =
  25. 25.418 × 5 =
  26. 26.444 × 6 =
  27. 27.869 × 8 =
  28. 28.213 × 7 =
  29. 29.214 × 5 =
  30. 30.261 × 8 =
  31. 31.878 × 3 =
  32. 32.804 × 6 =
  33. 33.308 × 9 =
  34. 34.861 × 6 =
  35. 35.484 × 4 =
  36. 36.396 × 4 =
  37. 37.193 × 4 =
  38. 38.698 × 7 =
  39. 39.834 × 4 =
  40. 40.589 × 6 =

Answer key

  1. 2544
  2. 5814
  3. 4632
  4. 4905
  5. 1324
  6. 1242
  7. 5432
  8. 1805
  9. 3865
  10. 2010
  11. 1767
  12. 868
  13. 3186
  14. 5344
  15. 4977
  16. 8226
  17. 1275
  18. 2330
  19. 2656
  20. 908
  21. 2758
  22. 5992
  23. 1272
  24. 1464
  25. 2090
  26. 2664
  27. 6952
  28. 1491
  29. 1070
  30. 2088
  31. 2634
  32. 4824
  33. 2772
  34. 5166
  35. 1936
  36. 1584
  37. 772
  38. 4886
  39. 3336
  40. 3534

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