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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 266 · 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. 1.597 × 3 =
  2. 2.237 × 7 =
  3. 3.262 × 5 =
  4. 4.467 × 6 =
  5. 5.971 × 8 =
  6. 6.453 × 3 =
  7. 7.231 × 4 =
  8. 8.181 × 8 =
  9. 9.331 × 8 =
  10. 10.762 × 6 =
  11. 11.455 × 6 =
  12. 12.264 × 7 =
  13. 13.154 × 9 =
  14. 14.866 × 4 =
  15. 15.869 × 5 =
  16. 16.883 × 6 =
  17. 17.318 × 6 =
  18. 18.551 × 3 =
  19. 19.825 × 8 =
  20. 20.181 × 5 =
  21. 21.224 × 9 =
  22. 22.655 × 7 =
  23. 23.965 × 3 =
  24. 24.514 × 7 =
  25. 25.921 × 3 =
  26. 26.461 × 3 =
  27. 27.411 × 6 =
  28. 28.282 × 6 =
  29. 29.745 × 5 =
  30. 30.579 × 3 =
  31. 31.791 × 4 =
  32. 32.985 × 9 =
  33. 33.271 × 5 =
  34. 34.517 × 9 =
  35. 35.911 × 5 =
  36. 36.152 × 5 =
  37. 37.435 × 4 =
  38. 38.179 × 5 =
  39. 39.705 × 9 =
  40. 40.221 × 9 =

Answer key

  1. 1791
  2. 1659
  3. 1310
  4. 2802
  5. 7768
  6. 1359
  7. 924
  8. 1448
  9. 2648
  10. 4572
  11. 2730
  12. 1848
  13. 1386
  14. 3464
  15. 4345
  16. 5298
  17. 1908
  18. 1653
  19. 6600
  20. 905
  21. 2016
  22. 4585
  23. 2895
  24. 3598
  25. 2763
  26. 1383
  27. 2466
  28. 1692
  29. 3725
  30. 1737
  31. 3164
  32. 8865
  33. 1355
  34. 4653
  35. 4555
  36. 760
  37. 1740
  38. 895
  39. 6345
  40. 1989

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