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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 156 · 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. 1.321 × 4 =
  2. 2.194 × 9 =
  3. 3.116 × 6 =
  4. 4.554 × 4 =
  5. 5.721 × 7 =
  6. 6.146 × 8 =
  7. 7.174 × 8 =
  8. 8.301 × 9 =
  9. 9.333 × 6 =
  10. 10.185 × 4 =
  11. 11.132 × 3 =
  12. 12.403 × 9 =
  13. 13.691 × 7 =
  14. 14.692 × 7 =
  15. 15.163 × 8 =
  16. 16.606 × 4 =
  17. 17.683 × 3 =
  18. 18.932 × 6 =
  19. 19.387 × 9 =
  20. 20.691 × 6 =
  21. 21.894 × 3 =
  22. 22.727 × 8 =
  23. 23.701 × 8 =
  24. 24.371 × 7 =
  25. 25.166 × 4 =
  26. 26.157 × 6 =
  27. 27.873 × 8 =
  28. 28.831 × 7 =
  29. 29.951 × 7 =
  30. 30.498 × 3 =
  31. 31.312 × 6 =
  32. 32.388 × 5 =
  33. 33.515 × 3 =
  34. 34.179 × 4 =
  35. 35.665 × 6 =
  36. 36.306 × 5 =
  37. 37.318 × 9 =
  38. 38.633 × 6 =
  39. 39.457 × 4 =
  40. 40.208 × 4 =

Answer key

  1. 1284
  2. 1746
  3. 696
  4. 2216
  5. 5047
  6. 1168
  7. 1392
  8. 2709
  9. 1998
  10. 740
  11. 396
  12. 3627
  13. 4837
  14. 4844
  15. 1304
  16. 2424
  17. 2049
  18. 5592
  19. 3483
  20. 4146
  21. 2682
  22. 5816
  23. 5608
  24. 2597
  25. 664
  26. 942
  27. 6984
  28. 5817
  29. 6657
  30. 1494
  31. 1872
  32. 1940
  33. 1545
  34. 716
  35. 3990
  36. 1530
  37. 2862
  38. 3798
  39. 1828
  40. 832

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