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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 116 · 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. 1.676 × 3 =
  2. 2.359 × 5 =
  3. 3.779 × 8 =
  4. 4.604 × 3 =
  5. 5.295 × 8 =
  6. 6.211 × 6 =
  7. 7.884 × 4 =
  8. 8.158 × 5 =
  9. 9.561 × 4 =
  10. 10.272 × 4 =
  11. 11.474 × 5 =
  12. 12.344 × 7 =
  13. 13.188 × 4 =
  14. 14.796 × 9 =
  15. 15.541 × 3 =
  16. 16.505 × 5 =
  17. 17.633 × 4 =
  18. 18.196 × 3 =
  19. 19.339 × 4 =
  20. 20.812 × 8 =
  21. 21.188 × 3 =
  22. 22.641 × 4 =
  23. 23.161 × 5 =
  24. 24.313 × 7 =
  25. 25.567 × 5 =
  26. 26.761 × 6 =
  27. 27.395 × 4 =
  28. 28.214 × 3 =
  29. 29.675 × 3 =
  30. 30.455 × 6 =
  31. 31.498 × 4 =
  32. 32.861 × 9 =
  33. 33.202 × 5 =
  34. 34.721 × 8 =
  35. 35.833 × 9 =
  36. 36.863 × 9 =
  37. 37.432 × 9 =
  38. 38.169 × 9 =
  39. 39.757 × 9 =
  40. 40.921 × 6 =

Answer key

  1. 2028
  2. 1795
  3. 6232
  4. 1812
  5. 2360
  6. 1266
  7. 3536
  8. 790
  9. 2244
  10. 1088
  11. 2370
  12. 2408
  13. 752
  14. 7164
  15. 1623
  16. 2525
  17. 2532
  18. 588
  19. 1356
  20. 6496
  21. 564
  22. 2564
  23. 805
  24. 2191
  25. 2835
  26. 4566
  27. 1580
  28. 642
  29. 2025
  30. 2730
  31. 1992
  32. 7749
  33. 1010
  34. 5768
  35. 7497
  36. 7767
  37. 3888
  38. 1521
  39. 6813
  40. 5526

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