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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 219 · 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. 1.964 × 9 =
  2. 2.154 × 5 =
  3. 3.428 × 6 =
  4. 4.666 × 3 =
  5. 5.431 × 9 =
  6. 6.647 × 4 =
  7. 7.837 × 5 =
  8. 8.341 × 9 =
  9. 9.355 × 5 =
  10. 10.416 × 6 =
  11. 11.404 × 6 =
  12. 12.561 × 7 =
  13. 13.986 × 8 =
  14. 14.855 × 4 =
  15. 15.158 × 3 =
  16. 16.794 × 7 =
  17. 17.979 × 7 =
  18. 18.421 × 7 =
  19. 19.739 × 5 =
  20. 20.341 × 3 =
  21. 21.475 × 3 =
  22. 22.267 × 7 =
  23. 23.976 × 5 =
  24. 24.152 × 5 =
  25. 25.566 × 4 =
  26. 26.665 × 8 =
  27. 27.638 × 6 =
  28. 28.184 × 7 =
  29. 29.192 × 6 =
  30. 30.126 × 3 =
  31. 31.451 × 9 =
  32. 32.362 × 7 =
  33. 33.161 × 7 =
  34. 34.245 × 8 =
  35. 35.263 × 3 =
  36. 36.865 × 3 =
  37. 37.481 × 6 =
  38. 38.326 × 5 =
  39. 39.602 × 3 =
  40. 40.843 × 8 =

Answer key

  1. 8676
  2. 770
  3. 2568
  4. 1998
  5. 3879
  6. 2588
  7. 4185
  8. 3069
  9. 1775
  10. 2496
  11. 2424
  12. 3927
  13. 7888
  14. 3420
  15. 474
  16. 5558
  17. 6853
  18. 2947
  19. 3695
  20. 1023
  21. 1425
  22. 1869
  23. 4880
  24. 760
  25. 2264
  26. 5320
  27. 3828
  28. 1288
  29. 1152
  30. 378
  31. 4059
  32. 2534
  33. 1127
  34. 1960
  35. 789
  36. 2595
  37. 2886
  38. 1630
  39. 1806
  40. 6744

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