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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 987 · 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. 1.771 × 6 =
  2. 2.468 × 3 =
  3. 3.738 × 7 =
  4. 4.808 × 7 =
  5. 5.445 × 4 =
  6. 6.115 × 3 =
  7. 7.379 × 5 =
  8. 8.303 × 9 =
  9. 9.583 × 8 =
  10. 10.921 × 6 =
  11. 11.827 × 8 =
  12. 12.393 × 7 =
  13. 13.544 × 4 =
  14. 14.172 × 4 =
  15. 15.221 × 4 =
  16. 16.156 × 4 =
  17. 17.351 × 9 =
  18. 18.873 × 9 =
  19. 19.176 × 6 =
  20. 20.354 × 8 =
  21. 21.453 × 7 =
  22. 22.318 × 8 =
  23. 23.323 × 6 =
  24. 24.852 × 3 =
  25. 25.759 × 3 =
  26. 26.287 × 8 =
  27. 27.425 × 4 =
  28. 28.566 × 5 =
  29. 29.461 × 8 =
  30. 30.821 × 7 =
  31. 31.849 × 6 =
  32. 32.241 × 6 =
  33. 33.456 × 8 =
  34. 34.946 × 3 =
  35. 35.562 × 7 =
  36. 36.189 × 4 =
  37. 37.894 × 8 =
  38. 38.649 × 4 =
  39. 39.525 × 6 =
  40. 40.296 × 5 =

Answer key

  1. 4626
  2. 1404
  3. 5166
  4. 5656
  5. 1780
  6. 345
  7. 1895
  8. 2727
  9. 4664
  10. 5526
  11. 6616
  12. 2751
  13. 2176
  14. 688
  15. 884
  16. 624
  17. 3159
  18. 7857
  19. 1056
  20. 2832
  21. 3171
  22. 2544
  23. 1938
  24. 2556
  25. 2277
  26. 2296
  27. 1700
  28. 2830
  29. 3688
  30. 5747
  31. 5094
  32. 1446
  33. 3648
  34. 2838
  35. 3934
  36. 756
  37. 7152
  38. 2596
  39. 3150
  40. 1480

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