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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 224 · 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. 1.671 × 3 =
  2. 2.443 × 3 =
  3. 3.146 × 6 =
  4. 4.906 × 9 =
  5. 5.579 × 7 =
  6. 6.345 × 4 =
  7. 7.951 × 8 =
  8. 8.357 × 6 =
  9. 9.293 × 7 =
  10. 10.223 × 8 =
  11. 11.564 × 4 =
  12. 12.669 × 6 =
  13. 13.563 × 3 =
  14. 14.176 × 9 =
  15. 15.221 × 7 =
  16. 16.531 × 8 =
  17. 17.364 × 5 =
  18. 18.792 × 5 =
  19. 19.137 × 7 =
  20. 20.799 × 7 =
  21. 21.241 × 9 =
  22. 22.461 × 6 =
  23. 23.168 × 9 =
  24. 24.722 × 3 =
  25. 25.763 × 4 =
  26. 26.676 × 4 =
  27. 27.349 × 3 =
  28. 28.788 × 4 =
  29. 29.361 × 9 =
  30. 30.261 × 8 =
  31. 31.732 × 8 =
  32. 32.683 × 9 =
  33. 33.813 × 7 =
  34. 34.473 × 4 =
  35. 35.792 × 3 =
  36. 36.438 × 4 =
  37. 37.229 × 7 =
  38. 38.211 × 6 =
  39. 39.179 × 7 =
  40. 40.677 × 4 =

Answer key

  1. 2013
  2. 1329
  3. 876
  4. 8154
  5. 4053
  6. 1380
  7. 7608
  8. 2142
  9. 2051
  10. 1784
  11. 2256
  12. 4014
  13. 1689
  14. 1584
  15. 1547
  16. 4248
  17. 1820
  18. 3960
  19. 959
  20. 5593
  21. 2169
  22. 2766
  23. 1512
  24. 2166
  25. 3052
  26. 2704
  27. 1047
  28. 3152
  29. 3249
  30. 2088
  31. 5856
  32. 6147
  33. 5691
  34. 1892
  35. 2376
  36. 1752
  37. 1603
  38. 1266
  39. 1253
  40. 2708

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