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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 995 · 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. 1.879 × 3 =
  2. 2.711 × 7 =
  3. 3.405 × 3 =
  4. 4.924 × 5 =
  5. 5.159 × 6 =
  6. 6.539 × 3 =
  7. 7.275 × 3 =
  8. 8.231 × 8 =
  9. 9.267 × 3 =
  10. 10.989 × 6 =
  11. 11.487 × 3 =
  12. 12.721 × 7 =
  13. 13.893 × 8 =
  14. 14.725 × 9 =
  15. 15.417 × 7 =
  16. 16.657 × 9 =
  17. 17.395 × 6 =
  18. 18.218 × 5 =
  19. 19.737 × 6 =
  20. 20.767 × 8 =
  21. 21.856 × 9 =
  22. 22.495 × 4 =
  23. 23.531 × 4 =
  24. 24.831 × 3 =
  25. 25.662 × 8 =
  26. 26.301 × 5 =
  27. 27.311 × 8 =
  28. 28.689 × 7 =
  29. 29.759 × 5 =
  30. 30.832 × 5 =
  31. 31.821 × 9 =
  32. 32.745 × 4 =
  33. 33.382 × 9 =
  34. 34.788 × 3 =
  35. 35.405 × 6 =
  36. 36.346 × 3 =
  37. 37.341 × 4 =
  38. 38.633 × 4 =
  39. 39.122 × 4 =
  40. 40.267 × 4 =

Answer key

  1. 2637
  2. 4977
  3. 1215
  4. 4620
  5. 954
  6. 1617
  7. 825
  8. 1848
  9. 801
  10. 5934
  11. 1461
  12. 5047
  13. 7144
  14. 6525
  15. 2919
  16. 5913
  17. 2370
  18. 1090
  19. 4422
  20. 6136
  21. 7704
  22. 1980
  23. 2124
  24. 2493
  25. 5296
  26. 1505
  27. 2488
  28. 4823
  29. 3795
  30. 4160
  31. 7389
  32. 2980
  33. 3438
  34. 2364
  35. 2430
  36. 1038
  37. 1364
  38. 2532
  39. 488
  40. 1068

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