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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 548 · 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. 1.162 × 5 =
  2. 2.237 × 6 =
  3. 3.339 × 8 =
  4. 4.634 × 9 =
  5. 5.739 × 8 =
  6. 6.825 × 3 =
  7. 7.643 × 9 =
  8. 8.641 × 3 =
  9. 9.728 × 4 =
  10. 10.966 × 6 =
  11. 11.678 × 3 =
  12. 12.433 × 5 =
  13. 13.761 × 9 =
  14. 14.771 × 9 =
  15. 15.415 × 5 =
  16. 16.436 × 9 =
  17. 17.781 × 7 =
  18. 18.373 × 6 =
  19. 19.193 × 9 =
  20. 20.585 × 7 =
  21. 21.141 × 4 =
  22. 22.298 × 4 =
  23. 23.372 × 8 =
  24. 24.303 × 4 =
  25. 25.742 × 6 =
  26. 26.153 × 8 =
  27. 27.521 × 9 =
  28. 28.824 × 6 =
  29. 29.562 × 6 =
  30. 30.356 × 6 =
  31. 31.727 × 3 =
  32. 32.893 × 6 =
  33. 33.909 × 5 =
  34. 34.238 × 3 =
  35. 35.256 × 6 =
  36. 36.465 × 3 =
  37. 37.652 × 8 =
  38. 38.267 × 4 =
  39. 39.331 × 5 =
  40. 40.535 × 5 =

Answer key

  1. 810
  2. 1422
  3. 2712
  4. 5706
  5. 5912
  6. 2475
  7. 5787
  8. 1923
  9. 2912
  10. 5796
  11. 2034
  12. 2165
  13. 6849
  14. 6939
  15. 2075
  16. 3924
  17. 5467
  18. 2238
  19. 1737
  20. 4095
  21. 564
  22. 1192
  23. 2976
  24. 1212
  25. 4452
  26. 1224
  27. 4689
  28. 4944
  29. 3372
  30. 2136
  31. 2181
  32. 5358
  33. 4545
  34. 714
  35. 1536
  36. 1395
  37. 5216
  38. 1068
  39. 1655
  40. 2675

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