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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 712 · 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. 1.875 × 7 =
  2. 2.528 × 6 =
  3. 3.839 × 8 =
  4. 4.898 × 3 =
  5. 5.171 × 6 =
  6. 6.263 × 3 =
  7. 7.952 × 9 =
  8. 8.568 × 4 =
  9. 9.627 × 9 =
  10. 10.943 × 8 =
  11. 11.926 × 5 =
  12. 12.773 × 9 =
  13. 13.874 × 4 =
  14. 14.201 × 4 =
  15. 15.766 × 5 =
  16. 16.913 × 7 =
  17. 17.199 × 4 =
  18. 18.609 × 3 =
  19. 19.263 × 5 =
  20. 20.822 × 4 =
  21. 21.367 × 9 =
  22. 22.568 × 6 =
  23. 23.589 × 5 =
  24. 24.115 × 3 =
  25. 25.802 × 5 =
  26. 26.568 × 3 =
  27. 27.868 × 9 =
  28. 28.191 × 6 =
  29. 29.848 × 4 =
  30. 30.952 × 8 =
  31. 31.222 × 7 =
  32. 32.483 × 3 =
  33. 33.985 × 5 =
  34. 34.155 × 4 =
  35. 35.439 × 4 =
  36. 36.684 × 7 =
  37. 37.752 × 4 =
  38. 38.989 × 7 =
  39. 39.323 × 3 =
  40. 40.666 × 7 =

Answer key

  1. 6125
  2. 3168
  3. 6712
  4. 2694
  5. 1026
  6. 789
  7. 8568
  8. 2272
  9. 5643
  10. 7544
  11. 4630
  12. 6957
  13. 3496
  14. 804
  15. 3830
  16. 6391
  17. 796
  18. 1827
  19. 1315
  20. 3288
  21. 3303
  22. 3408
  23. 2945
  24. 345
  25. 4010
  26. 1704
  27. 7812
  28. 1146
  29. 3392
  30. 7616
  31. 1554
  32. 1449
  33. 4925
  34. 620
  35. 1756
  36. 4788
  37. 3008
  38. 6923
  39. 969
  40. 4662

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