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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 364 · 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. 1.295 × 8 =
  2. 2.185 × 5 =
  3. 3.258 × 6 =
  4. 4.541 × 4 =
  5. 5.189 × 4 =
  6. 6.843 × 3 =
  7. 7.605 × 4 =
  8. 8.708 × 8 =
  9. 9.897 × 3 =
  10. 10.871 × 9 =
  11. 11.897 × 5 =
  12. 12.811 × 5 =
  13. 13.723 × 8 =
  14. 14.439 × 7 =
  15. 15.673 × 3 =
  16. 16.978 × 5 =
  17. 17.897 × 7 =
  18. 18.422 × 6 =
  19. 19.487 × 3 =
  20. 20.569 × 4 =
  21. 21.733 × 7 =
  22. 22.966 × 7 =
  23. 23.916 × 7 =
  24. 24.971 × 6 =
  25. 25.247 × 4 =
  26. 26.346 × 8 =
  27. 27.302 × 5 =
  28. 28.221 × 9 =
  29. 29.813 × 5 =
  30. 30.691 × 6 =
  31. 31.989 × 3 =
  32. 32.195 × 9 =
  33. 33.271 × 5 =
  34. 34.862 × 5 =
  35. 35.895 × 6 =
  36. 36.571 × 4 =
  37. 37.311 × 9 =
  38. 38.876 × 7 =
  39. 39.328 × 6 =
  40. 40.966 × 3 =

Answer key

  1. 2360
  2. 925
  3. 1548
  4. 2164
  5. 756
  6. 2529
  7. 2420
  8. 5664
  9. 2691
  10. 7839
  11. 4485
  12. 4055
  13. 5784
  14. 3073
  15. 2019
  16. 4890
  17. 6279
  18. 2532
  19. 1461
  20. 2276
  21. 5131
  22. 6762
  23. 6412
  24. 5826
  25. 988
  26. 2768
  27. 1510
  28. 1989
  29. 4065
  30. 4146
  31. 2967
  32. 1755
  33. 1355
  34. 4310
  35. 5370
  36. 2284
  37. 2799
  38. 6132
  39. 1968
  40. 2898

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