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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 769 · 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. 1.619 × 7 =
  2. 2.735 × 9 =
  3. 3.842 × 9 =
  4. 4.761 × 5 =
  5. 5.825 × 8 =
  6. 6.351 × 9 =
  7. 7.191 × 7 =
  8. 8.275 × 6 =
  9. 9.512 × 4 =
  10. 10.833 × 5 =
  11. 11.373 × 9 =
  12. 12.964 × 5 =
  13. 13.391 × 7 =
  14. 14.558 × 5 =
  15. 15.439 × 8 =
  16. 16.848 × 3 =
  17. 17.548 × 5 =
  18. 18.531 × 3 =
  19. 19.546 × 7 =
  20. 20.134 × 4 =
  21. 21.929 × 4 =
  22. 22.217 × 9 =
  23. 23.514 × 6 =
  24. 24.829 × 4 =
  25. 25.891 × 4 =
  26. 26.186 × 7 =
  27. 27.648 × 6 =
  28. 28.936 × 9 =
  29. 29.721 × 7 =
  30. 30.452 × 8 =
  31. 31.239 × 5 =
  32. 32.691 × 3 =
  33. 33.916 × 5 =
  34. 34.402 × 9 =
  35. 35.232 × 4 =
  36. 36.254 × 8 =
  37. 37.697 × 7 =
  38. 38.462 × 3 =
  39. 39.248 × 3 =
  40. 40.264 × 4 =

Answer key

  1. 4333
  2. 6615
  3. 7578
  4. 3805
  5. 6600
  6. 3159
  7. 1337
  8. 1650
  9. 2048
  10. 4165
  11. 3357
  12. 4820
  13. 2737
  14. 2790
  15. 3512
  16. 2544
  17. 2740
  18. 1593
  19. 3822
  20. 536
  21. 3716
  22. 1953
  23. 3084
  24. 3316
  25. 3564
  26. 1302
  27. 3888
  28. 8424
  29. 5047
  30. 3616
  31. 1195
  32. 2073
  33. 4580
  34. 3618
  35. 928
  36. 2032
  37. 4879
  38. 1386
  39. 744
  40. 1056

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