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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 63 · 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. 1.396 × 7 =
  2. 2.475 × 4 =
  3. 3.433 × 6 =
  4. 4.456 × 4 =
  5. 5.234 × 4 =
  6. 6.496 × 8 =
  7. 7.232 × 9 =
  8. 8.281 × 5 =
  9. 9.221 × 5 =
  10. 10.443 × 8 =
  11. 11.891 × 4 =
  12. 12.719 × 4 =
  13. 13.491 × 7 =
  14. 14.171 × 6 =
  15. 15.604 × 8 =
  16. 16.509 × 8 =
  17. 17.251 × 5 =
  18. 18.322 × 5 =
  19. 19.119 × 6 =
  20. 20.665 × 7 =
  21. 21.284 × 6 =
  22. 22.222 × 7 =
  23. 23.641 × 9 =
  24. 24.242 × 4 =
  25. 25.705 × 3 =
  26. 26.218 × 4 =
  27. 27.598 × 8 =
  28. 28.361 × 3 =
  29. 29.125 × 4 =
  30. 30.162 × 4 =
  31. 31.443 × 7 =
  32. 32.245 × 7 =
  33. 33.556 × 6 =
  34. 34.868 × 4 =
  35. 35.828 × 3 =
  36. 36.439 × 9 =
  37. 37.122 × 5 =
  38. 38.265 × 8 =
  39. 39.526 × 6 =
  40. 40.821 × 7 =

Answer key

  1. 2772
  2. 1900
  3. 2598
  4. 1824
  5. 936
  6. 3968
  7. 2088
  8. 1405
  9. 1105
  10. 3544
  11. 3564
  12. 2876
  13. 3437
  14. 1026
  15. 4832
  16. 4072
  17. 1255
  18. 1610
  19. 714
  20. 4655
  21. 1704
  22. 1554
  23. 5769
  24. 968
  25. 2115
  26. 872
  27. 4784
  28. 1083
  29. 500
  30. 648
  31. 3101
  32. 1715
  33. 3336
  34. 3472
  35. 2484
  36. 3951
  37. 610
  38. 2120
  39. 3156
  40. 5747

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