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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 593 · 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. 1.766 × 5 =
  2. 2.247 × 5 =
  3. 3.528 × 4 =
  4. 4.316 × 6 =
  5. 5.683 × 8 =
  6. 6.761 × 4 =
  7. 7.728 × 5 =
  8. 8.262 × 8 =
  9. 9.478 × 3 =
  10. 10.229 × 3 =
  11. 11.812 × 6 =
  12. 12.829 × 7 =
  13. 13.907 × 7 =
  14. 14.235 × 4 =
  15. 15.309 × 8 =
  16. 16.301 × 4 =
  17. 17.523 × 9 =
  18. 18.964 × 7 =
  19. 19.209 × 5 =
  20. 20.856 × 8 =
  21. 21.571 × 3 =
  22. 22.357 × 8 =
  23. 23.706 × 4 =
  24. 24.958 × 8 =
  25. 25.478 × 5 =
  26. 26.218 × 8 =
  27. 27.748 × 9 =
  28. 28.729 × 4 =
  29. 29.973 × 5 =
  30. 30.931 × 3 =
  31. 31.211 × 6 =
  32. 32.583 × 3 =
  33. 33.144 × 4 =
  34. 34.795 × 5 =
  35. 35.564 × 8 =
  36. 36.421 × 4 =
  37. 37.589 × 7 =
  38. 38.782 × 6 =
  39. 39.561 × 3 =
  40. 40.244 × 6 =

Answer key

  1. 3830
  2. 1235
  3. 2112
  4. 1896
  5. 5464
  6. 3044
  7. 3640
  8. 2096
  9. 1434
  10. 687
  11. 4872
  12. 5803
  13. 6349
  14. 940
  15. 2472
  16. 1204
  17. 4707
  18. 6748
  19. 1045
  20. 6848
  21. 1713
  22. 2856
  23. 2824
  24. 7664
  25. 2390
  26. 1744
  27. 6732
  28. 2916
  29. 4865
  30. 2793
  31. 1266
  32. 1749
  33. 576
  34. 3975
  35. 4512
  36. 1684
  37. 4123
  38. 4692
  39. 1683
  40. 1464

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