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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 272 · 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. 1.668 × 5 =
  2. 2.214 × 9 =
  3. 3.304 × 8 =
  4. 4.807 × 7 =
  5. 5.381 × 7 =
  6. 6.376 × 3 =
  7. 7.692 × 4 =
  8. 8.703 × 6 =
  9. 9.322 × 3 =
  10. 10.359 × 3 =
  11. 11.463 × 4 =
  12. 12.133 × 6 =
  13. 13.498 × 7 =
  14. 14.271 × 4 =
  15. 15.377 × 3 =
  16. 16.434 × 3 =
  17. 17.771 × 3 =
  18. 18.384 × 6 =
  19. 19.206 × 3 =
  20. 20.397 × 3 =
  21. 21.156 × 5 =
  22. 22.306 × 3 =
  23. 23.394 × 4 =
  24. 24.494 × 4 =
  25. 25.724 × 8 =
  26. 26.758 × 6 =
  27. 27.809 × 7 =
  28. 28.551 × 3 =
  29. 29.481 × 5 =
  30. 30.251 × 6 =
  31. 31.142 × 3 =
  32. 32.382 × 3 =
  33. 33.861 × 6 =
  34. 34.374 × 8 =
  35. 35.719 × 3 =
  36. 36.222 × 6 =
  37. 37.966 × 3 =
  38. 38.946 × 9 =
  39. 39.353 × 5 =
  40. 40.231 × 8 =

Answer key

  1. 3340
  2. 1926
  3. 2432
  4. 5649
  5. 2667
  6. 1128
  7. 2768
  8. 4218
  9. 966
  10. 1077
  11. 1852
  12. 798
  13. 3486
  14. 1084
  15. 1131
  16. 1302
  17. 2313
  18. 2304
  19. 618
  20. 1191
  21. 780
  22. 918
  23. 1576
  24. 1976
  25. 5792
  26. 4548
  27. 5663
  28. 1653
  29. 2405
  30. 1506
  31. 426
  32. 1146
  33. 5166
  34. 2992
  35. 2157
  36. 1332
  37. 2898
  38. 8514
  39. 1765
  40. 1848

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