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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 530 · 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. 1.144 × 6 =
  2. 2.375 × 8 =
  3. 3.152 × 9 =
  4. 4.295 × 4 =
  5. 5.779 × 8 =
  6. 6.553 × 5 =
  7. 7.584 × 9 =
  8. 8.922 × 6 =
  9. 9.308 × 5 =
  10. 10.781 × 7 =
  11. 11.326 × 5 =
  12. 12.124 × 9 =
  13. 13.246 × 8 =
  14. 14.881 × 6 =
  15. 15.818 × 7 =
  16. 16.827 × 5 =
  17. 17.827 × 7 =
  18. 18.724 × 9 =
  19. 19.963 × 3 =
  20. 20.659 × 4 =
  21. 21.598 × 3 =
  22. 22.829 × 3 =
  23. 23.343 × 6 =
  24. 24.311 × 3 =
  25. 25.223 × 9 =
  26. 26.478 × 6 =
  27. 27.535 × 7 =
  28. 28.758 × 6 =
  29. 29.666 × 6 =
  30. 30.324 × 4 =
  31. 31.199 × 6 =
  32. 32.851 × 7 =
  33. 33.349 × 5 =
  34. 34.853 × 3 =
  35. 35.469 × 3 =
  36. 36.346 × 6 =
  37. 37.426 × 4 =
  38. 38.252 × 3 =
  39. 39.664 × 9 =
  40. 40.408 × 4 =

Answer key

  1. 864
  2. 3000
  3. 1368
  4. 1180
  5. 6232
  6. 2765
  7. 5256
  8. 5532
  9. 1540
  10. 5467
  11. 1630
  12. 1116
  13. 1968
  14. 5286
  15. 5726
  16. 4135
  17. 5789
  18. 6516
  19. 2889
  20. 2636
  21. 1794
  22. 2487
  23. 2058
  24. 933
  25. 2007
  26. 2868
  27. 3745
  28. 4548
  29. 3996
  30. 1296
  31. 1194
  32. 5957
  33. 1745
  34. 2559
  35. 1407
  36. 2076
  37. 1704
  38. 756
  39. 5976
  40. 1632

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