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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 720 · 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. 1.751 × 7 =
  2. 2.642 × 4 =
  3. 3.837 × 8 =
  4. 4.327 × 5 =
  5. 5.956 × 6 =
  6. 6.401 × 6 =
  7. 7.213 × 9 =
  8. 8.891 × 5 =
  9. 9.179 × 6 =
  10. 10.291 × 4 =
  11. 11.281 × 8 =
  12. 12.194 × 7 =
  13. 13.534 × 7 =
  14. 14.215 × 9 =
  15. 15.762 × 8 =
  16. 16.344 × 7 =
  17. 17.811 × 9 =
  18. 18.861 × 8 =
  19. 19.787 × 7 =
  20. 20.391 × 4 =
  21. 21.458 × 9 =
  22. 22.601 × 3 =
  23. 23.554 × 9 =
  24. 24.819 × 9 =
  25. 25.682 × 9 =
  26. 26.112 × 5 =
  27. 27.329 × 5 =
  28. 28.582 × 3 =
  29. 29.444 × 6 =
  30. 30.331 × 6 =
  31. 31.377 × 7 =
  32. 32.461 × 3 =
  33. 33.296 × 6 =
  34. 34.742 × 8 =
  35. 35.491 × 4 =
  36. 36.348 × 7 =
  37. 37.237 × 3 =
  38. 38.928 × 3 =
  39. 39.974 × 7 =
  40. 40.577 × 3 =

Answer key

  1. 5257
  2. 2568
  3. 6696
  4. 1635
  5. 5736
  6. 2406
  7. 1917
  8. 4455
  9. 1074
  10. 1164
  11. 2248
  12. 1358
  13. 3738
  14. 1935
  15. 6096
  16. 2408
  17. 7299
  18. 6888
  19. 5509
  20. 1564
  21. 4122
  22. 1803
  23. 4986
  24. 7371
  25. 6138
  26. 560
  27. 1645
  28. 1746
  29. 2664
  30. 1986
  31. 2639
  32. 1383
  33. 1776
  34. 5936
  35. 1964
  36. 2436
  37. 711
  38. 2784
  39. 6818
  40. 1731

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