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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 830 · 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. 1.738 × 6 =
  2. 2.515 × 3 =
  3. 3.233 × 5 =
  4. 4.157 × 7 =
  5. 5.629 × 3 =
  6. 6.761 × 9 =
  7. 7.219 × 9 =
  8. 8.232 × 7 =
  9. 9.333 × 6 =
  10. 10.854 × 4 =
  11. 11.296 × 9 =
  12. 12.488 × 9 =
  13. 13.425 × 6 =
  14. 14.258 × 7 =
  15. 15.478 × 3 =
  16. 16.692 × 5 =
  17. 17.466 × 6 =
  18. 18.869 × 8 =
  19. 19.791 × 5 =
  20. 20.572 × 7 =
  21. 21.541 × 4 =
  22. 22.825 × 6 =
  23. 23.888 × 4 =
  24. 24.789 × 8 =
  25. 25.714 × 4 =
  26. 26.328 × 4 =
  27. 27.834 × 4 =
  28. 28.666 × 4 =
  29. 29.552 × 3 =
  30. 30.633 × 3 =
  31. 31.249 × 3 =
  32. 32.926 × 6 =
  33. 33.938 × 4 =
  34. 34.227 × 6 =
  35. 35.386 × 5 =
  36. 36.834 × 6 =
  37. 37.115 × 4 =
  38. 38.702 × 8 =
  39. 39.521 × 7 =
  40. 40.555 × 6 =

Answer key

  1. 4428
  2. 1545
  3. 1165
  4. 1099
  5. 1887
  6. 6849
  7. 1971
  8. 1624
  9. 1998
  10. 3416
  11. 2664
  12. 4392
  13. 2550
  14. 1806
  15. 1434
  16. 3460
  17. 2796
  18. 6952
  19. 3955
  20. 4004
  21. 2164
  22. 4950
  23. 3552
  24. 6312
  25. 2856
  26. 1312
  27. 3336
  28. 2664
  29. 1656
  30. 1899
  31. 747
  32. 5556
  33. 3752
  34. 1362
  35. 1930
  36. 5004
  37. 460
  38. 5616
  39. 3647
  40. 3330

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