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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 273 · 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. 1.415 × 6 =
  2. 2.391 × 6 =
  3. 3.947 × 4 =
  4. 4.212 × 3 =
  5. 5.776 × 8 =
  6. 6.735 × 6 =
  7. 7.371 × 9 =
  8. 8.748 × 6 =
  9. 9.622 × 9 =
  10. 10.966 × 5 =
  11. 11.422 × 3 =
  12. 12.367 × 4 =
  13. 13.265 × 4 =
  14. 14.976 × 4 =
  15. 15.907 × 9 =
  16. 16.856 × 5 =
  17. 17.161 × 3 =
  18. 18.961 × 6 =
  19. 19.302 × 6 =
  20. 20.309 × 3 =
  21. 21.255 × 9 =
  22. 22.763 × 6 =
  23. 23.947 × 6 =
  24. 24.842 × 3 =
  25. 25.406 × 3 =
  26. 26.617 × 6 =
  27. 27.805 × 9 =
  28. 28.986 × 3 =
  29. 29.141 × 5 =
  30. 30.287 × 4 =
  31. 31.403 × 5 =
  32. 32.307 × 6 =
  33. 33.646 × 3 =
  34. 34.763 × 4 =
  35. 35.201 × 5 =
  36. 36.675 × 7 =
  37. 37.258 × 7 =
  38. 38.159 × 3 =
  39. 39.951 × 6 =
  40. 40.917 × 9 =

Answer key

  1. 2490
  2. 2346
  3. 3788
  4. 636
  5. 6208
  6. 4410
  7. 3339
  8. 4488
  9. 5598
  10. 4830
  11. 1266
  12. 1468
  13. 1060
  14. 3904
  15. 8163
  16. 4280
  17. 483
  18. 5766
  19. 1812
  20. 927
  21. 2295
  22. 4578
  23. 5682
  24. 2526
  25. 1218
  26. 3702
  27. 7245
  28. 2958
  29. 705
  30. 1148
  31. 2015
  32. 1842
  33. 1938
  34. 3052
  35. 1005
  36. 4725
  37. 1806
  38. 477
  39. 5706
  40. 8253

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