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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 717 · 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. 1.131 × 6 =
  2. 2.316 × 3 =
  3. 3.194 × 6 =
  4. 4.542 × 4 =
  5. 5.382 × 9 =
  6. 6.148 × 8 =
  7. 7.508 × 6 =
  8. 8.341 × 4 =
  9. 9.653 × 6 =
  10. 10.817 × 9 =
  11. 11.599 × 7 =
  12. 12.933 × 4 =
  13. 13.335 × 5 =
  14. 14.328 × 4 =
  15. 15.231 × 4 =
  16. 16.678 × 6 =
  17. 17.914 × 5 =
  18. 18.967 × 5 =
  19. 19.496 × 8 =
  20. 20.591 × 4 =
  21. 21.943 × 7 =
  22. 22.423 × 7 =
  23. 23.978 × 5 =
  24. 24.291 × 4 =
  25. 25.273 × 6 =
  26. 26.859 × 8 =
  27. 27.789 × 4 =
  28. 28.507 × 5 =
  29. 29.772 × 7 =
  30. 30.587 × 7 =
  31. 31.894 × 6 =
  32. 32.975 × 7 =
  33. 33.596 × 3 =
  34. 34.228 × 8 =
  35. 35.691 × 3 =
  36. 36.332 × 3 =
  37. 37.219 × 7 =
  38. 38.635 × 9 =
  39. 39.773 × 3 =
  40. 40.881 × 3 =

Answer key

  1. 786
  2. 948
  3. 1164
  4. 2168
  5. 3438
  6. 1184
  7. 3048
  8. 1364
  9. 3918
  10. 7353
  11. 4193
  12. 3732
  13. 1675
  14. 1312
  15. 924
  16. 4068
  17. 4570
  18. 4835
  19. 3968
  20. 2364
  21. 6601
  22. 2961
  23. 4890
  24. 1164
  25. 1638
  26. 6872
  27. 3156
  28. 2535
  29. 5404
  30. 4109
  31. 5364
  32. 6825
  33. 1788
  34. 1824
  35. 2073
  36. 996
  37. 1533
  38. 5715
  39. 2319
  40. 2643

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