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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 984 · 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. 1.203 × 9 =
  2. 2.255 × 4 =
  3. 3.738 × 3 =
  4. 4.881 × 5 =
  5. 5.369 × 3 =
  6. 6.702 × 5 =
  7. 7.268 × 8 =
  8. 8.271 × 7 =
  9. 9.458 × 8 =
  10. 10.578 × 4 =
  11. 11.913 × 8 =
  12. 12.824 × 4 =
  13. 13.616 × 7 =
  14. 14.651 × 4 =
  15. 15.737 × 8 =
  16. 16.341 × 8 =
  17. 17.701 × 4 =
  18. 18.915 × 6 =
  19. 19.787 × 6 =
  20. 20.522 × 3 =
  21. 21.635 × 5 =
  22. 22.501 × 4 =
  23. 23.935 × 6 =
  24. 24.443 × 4 =
  25. 25.137 × 5 =
  26. 26.227 × 4 =
  27. 27.845 × 7 =
  28. 28.257 × 4 =
  29. 29.201 × 6 =
  30. 30.297 × 5 =
  31. 31.706 × 9 =
  32. 32.921 × 3 =
  33. 33.932 × 6 =
  34. 34.499 × 6 =
  35. 35.285 × 9 =
  36. 36.225 × 3 =
  37. 37.187 × 4 =
  38. 38.437 × 7 =
  39. 39.931 × 4 =
  40. 40.872 × 9 =

Answer key

  1. 1827
  2. 1020
  3. 2214
  4. 4405
  5. 1107
  6. 3510
  7. 2144
  8. 1897
  9. 3664
  10. 2312
  11. 7304
  12. 3296
  13. 4312
  14. 2604
  15. 5896
  16. 2728
  17. 2804
  18. 5490
  19. 4722
  20. 1566
  21. 3175
  22. 2004
  23. 5610
  24. 1772
  25. 685
  26. 908
  27. 5915
  28. 1028
  29. 1206
  30. 1485
  31. 6354
  32. 2763
  33. 5592
  34. 2994
  35. 2565
  36. 675
  37. 748
  38. 3059
  39. 3724
  40. 7848

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