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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 612 · 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. 1.481 × 5 =
  2. 2.792 × 7 =
  3. 3.829 × 5 =
  4. 4.561 × 3 =
  5. 5.471 × 4 =
  6. 6.743 × 7 =
  7. 7.648 × 6 =
  8. 8.459 × 3 =
  9. 9.989 × 7 =
  10. 10.767 × 9 =
  11. 11.481 × 8 =
  12. 12.983 × 8 =
  13. 13.246 × 4 =
  14. 14.359 × 3 =
  15. 15.158 × 6 =
  16. 16.289 × 3 =
  17. 17.881 × 9 =
  18. 18.681 × 6 =
  19. 19.754 × 7 =
  20. 20.564 × 7 =
  21. 21.883 × 6 =
  22. 22.152 × 5 =
  23. 23.619 × 9 =
  24. 24.832 × 9 =
  25. 25.829 × 9 =
  26. 26.844 × 4 =
  27. 27.431 × 9 =
  28. 28.556 × 5 =
  29. 29.563 × 3 =
  30. 30.664 × 3 =
  31. 31.878 × 7 =
  32. 32.459 × 9 =
  33. 33.348 × 4 =
  34. 34.331 × 8 =
  35. 35.926 × 8 =
  36. 36.331 × 7 =
  37. 37.573 × 4 =
  38. 38.741 × 6 =
  39. 39.871 × 8 =
  40. 40.509 × 5 =

Answer key

  1. 2405
  2. 5544
  3. 4145
  4. 1683
  5. 1884
  6. 5201
  7. 3888
  8. 1377
  9. 6923
  10. 6903
  11. 3848
  12. 7864
  13. 984
  14. 1077
  15. 948
  16. 867
  17. 7929
  18. 4086
  19. 5278
  20. 3948
  21. 5298
  22. 760
  23. 5571
  24. 7488
  25. 7461
  26. 3376
  27. 3879
  28. 2780
  29. 1689
  30. 1992
  31. 6146
  32. 4131
  33. 1392
  34. 2648
  35. 7408
  36. 2317
  37. 2292
  38. 4446
  39. 6968
  40. 2545

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