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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 164 · 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. 1.303 × 4 =
  2. 2.699 × 6 =
  3. 3.708 × 5 =
  4. 4.479 × 4 =
  5. 5.581 × 9 =
  6. 6.709 × 8 =
  7. 7.466 × 9 =
  8. 8.126 × 5 =
  9. 9.534 × 6 =
  10. 10.836 × 8 =
  11. 11.917 × 4 =
  12. 12.292 × 5 =
  13. 13.362 × 8 =
  14. 14.831 × 6 =
  15. 15.624 × 9 =
  16. 16.791 × 3 =
  17. 17.256 × 7 =
  18. 18.866 × 6 =
  19. 19.252 × 9 =
  20. 20.821 × 5 =
  21. 21.906 × 4 =
  22. 22.636 × 5 =
  23. 23.742 × 6 =
  24. 24.875 × 4 =
  25. 25.454 × 7 =
  26. 26.473 × 4 =
  27. 27.711 × 9 =
  28. 28.481 × 8 =
  29. 29.919 × 7 =
  30. 30.416 × 9 =
  31. 31.441 × 3 =
  32. 32.441 × 8 =
  33. 33.389 × 5 =
  34. 34.692 × 5 =
  35. 35.267 × 7 =
  36. 36.351 × 7 =
  37. 37.312 × 9 =
  38. 38.237 × 7 =
  39. 39.153 × 7 =
  40. 40.968 × 7 =

Answer key

  1. 1212
  2. 4194
  3. 3540
  4. 1916
  5. 5229
  6. 5672
  7. 4194
  8. 630
  9. 3204
  10. 6688
  11. 3668
  12. 1460
  13. 2896
  14. 4986
  15. 5616
  16. 2373
  17. 1792
  18. 5196
  19. 2268
  20. 4105
  21. 3624
  22. 3180
  23. 4452
  24. 3500
  25. 3178
  26. 1892
  27. 6399
  28. 3848
  29. 6433
  30. 3744
  31. 1323
  32. 3528
  33. 1945
  34. 3460
  35. 1869
  36. 2457
  37. 2808
  38. 1659
  39. 1071
  40. 6776

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