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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 385 · 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. 1.275 × 7 =
  2. 2.284 × 6 =
  3. 3.329 × 6 =
  4. 4.292 × 9 =
  5. 5.548 × 4 =
  6. 6.818 × 7 =
  7. 7.314 × 8 =
  8. 8.284 × 9 =
  9. 9.291 × 5 =
  10. 10.653 × 4 =
  11. 11.631 × 3 =
  12. 12.786 × 9 =
  13. 13.365 × 8 =
  14. 14.453 × 5 =
  15. 15.481 × 4 =
  16. 16.329 × 3 =
  17. 17.734 × 8 =
  18. 18.142 × 6 =
  19. 19.401 × 6 =
  20. 20.444 × 6 =
  21. 21.767 × 4 =
  22. 22.441 × 7 =
  23. 23.436 × 7 =
  24. 24.294 × 5 =
  25. 25.952 × 3 =
  26. 26.177 × 9 =
  27. 27.477 × 8 =
  28. 28.305 × 9 =
  29. 29.301 × 5 =
  30. 30.813 × 4 =
  31. 31.619 × 7 =
  32. 32.899 × 3 =
  33. 33.747 × 5 =
  34. 34.251 × 5 =
  35. 35.182 × 4 =
  36. 36.174 × 7 =
  37. 37.916 × 5 =
  38. 38.767 × 3 =
  39. 39.917 × 9 =
  40. 40.915 × 3 =

Answer key

  1. 1925
  2. 1704
  3. 1974
  4. 2628
  5. 2192
  6. 5726
  7. 2512
  8. 2556
  9. 1455
  10. 2612
  11. 1893
  12. 7074
  13. 2920
  14. 2265
  15. 1924
  16. 987
  17. 5872
  18. 852
  19. 2406
  20. 2664
  21. 3068
  22. 3087
  23. 3052
  24. 1470
  25. 2856
  26. 1593
  27. 3816
  28. 2745
  29. 1505
  30. 3252
  31. 4333
  32. 2697
  33. 3735
  34. 1255
  35. 728
  36. 1218
  37. 4580
  38. 2301
  39. 8253
  40. 2745

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