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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 926 · 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. 1.558 × 7 =
  2. 2.541 × 3 =
  3. 3.556 × 4 =
  4. 4.299 × 3 =
  5. 5.913 × 8 =
  6. 6.732 × 9 =
  7. 7.468 × 3 =
  8. 8.198 × 7 =
  9. 9.933 × 8 =
  10. 10.719 × 6 =
  11. 11.366 × 5 =
  12. 12.448 × 7 =
  13. 13.329 × 4 =
  14. 14.177 × 6 =
  15. 15.599 × 3 =
  16. 16.865 × 3 =
  17. 17.883 × 5 =
  18. 18.347 × 9 =
  19. 19.121 × 8 =
  20. 20.343 × 5 =
  21. 21.682 × 9 =
  22. 22.231 × 7 =
  23. 23.765 × 7 =
  24. 24.519 × 8 =
  25. 25.906 × 4 =
  26. 26.804 × 4 =
  27. 27.796 × 4 =
  28. 28.783 × 7 =
  29. 29.978 × 4 =
  30. 30.246 × 6 =
  31. 31.795 × 9 =
  32. 32.296 × 6 =
  33. 33.293 × 9 =
  34. 34.478 × 4 =
  35. 35.433 × 5 =
  36. 36.257 × 5 =
  37. 37.325 × 3 =
  38. 38.823 × 4 =
  39. 39.766 × 7 =
  40. 40.654 × 7 =

Answer key

  1. 3906
  2. 1623
  3. 2224
  4. 897
  5. 7304
  6. 6588
  7. 1404
  8. 1386
  9. 7464
  10. 4314
  11. 1830
  12. 3136
  13. 1316
  14. 1062
  15. 1797
  16. 2595
  17. 4415
  18. 3123
  19. 968
  20. 1715
  21. 6138
  22. 1617
  23. 5355
  24. 4152
  25. 3624
  26. 3216
  27. 3184
  28. 5481
  29. 3912
  30. 1476
  31. 7155
  32. 1776
  33. 2637
  34. 1912
  35. 2165
  36. 1285
  37. 975
  38. 3292
  39. 5362
  40. 4578

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