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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 752 · 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. 1.468 × 3 =
  2. 2.883 × 6 =
  3. 3.346 × 6 =
  4. 4.154 × 7 =
  5. 5.204 × 5 =
  6. 6.625 × 4 =
  7. 7.675 × 3 =
  8. 8.776 × 9 =
  9. 9.924 × 4 =
  10. 10.413 × 4 =
  11. 11.825 × 9 =
  12. 12.937 × 7 =
  13. 13.284 × 8 =
  14. 14.362 × 6 =
  15. 15.794 × 6 =
  16. 16.386 × 3 =
  17. 17.981 × 8 =
  18. 18.208 × 3 =
  19. 19.503 × 9 =
  20. 20.903 × 4 =
  21. 21.986 × 4 =
  22. 22.782 × 7 =
  23. 23.133 × 8 =
  24. 24.608 × 8 =
  25. 25.261 × 4 =
  26. 26.851 × 8 =
  27. 27.333 × 5 =
  28. 28.244 × 7 =
  29. 29.887 × 5 =
  30. 30.826 × 5 =
  31. 31.399 × 5 =
  32. 32.522 × 6 =
  33. 33.245 × 7 =
  34. 34.966 × 4 =
  35. 35.176 × 8 =
  36. 36.457 × 5 =
  37. 37.447 × 6 =
  38. 38.391 × 7 =
  39. 39.479 × 3 =
  40. 40.489 × 4 =

Answer key

  1. 1404
  2. 5298
  3. 2076
  4. 1078
  5. 1020
  6. 2500
  7. 2025
  8. 6984
  9. 3696
  10. 1652
  11. 7425
  12. 6559
  13. 2272
  14. 2172
  15. 4764
  16. 1158
  17. 7848
  18. 624
  19. 4527
  20. 3612
  21. 3944
  22. 5474
  23. 1064
  24. 4864
  25. 1044
  26. 6808
  27. 1665
  28. 1708
  29. 4435
  30. 4130
  31. 1995
  32. 3132
  33. 1715
  34. 3864
  35. 1408
  36. 2285
  37. 2682
  38. 2737
  39. 1437
  40. 1956

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