← Multiply 3-digit by 1-digit, hundreds first lesson New set →

3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 255 · 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. 1.829 × 9 =
  2. 2.907 × 8 =
  3. 3.301 × 6 =
  4. 4.388 × 8 =
  5. 5.291 × 8 =
  6. 6.171 × 6 =
  7. 7.648 × 7 =
  8. 8.534 × 7 =
  9. 9.398 × 4 =
  10. 10.437 × 3 =
  11. 11.275 × 9 =
  12. 12.349 × 3 =
  13. 13.916 × 5 =
  14. 14.411 × 9 =
  15. 15.496 × 3 =
  16. 16.334 × 9 =
  17. 17.859 × 8 =
  18. 18.673 × 7 =
  19. 19.618 × 8 =
  20. 20.276 × 9 =
  21. 21.477 × 6 =
  22. 22.169 × 9 =
  23. 23.925 × 6 =
  24. 24.304 × 8 =
  25. 25.589 × 4 =
  26. 26.947 × 3 =
  27. 27.302 × 7 =
  28. 28.158 × 6 =
  29. 29.865 × 8 =
  30. 30.895 × 9 =
  31. 31.828 × 6 =
  32. 32.433 × 4 =
  33. 33.921 × 8 =
  34. 34.533 × 8 =
  35. 35.412 × 8 =
  36. 36.192 × 9 =
  37. 37.333 × 8 =
  38. 38.529 × 7 =
  39. 39.526 × 6 =
  40. 40.917 × 6 =

Answer key

  1. 7461
  2. 7256
  3. 1806
  4. 3104
  5. 2328
  6. 1026
  7. 4536
  8. 3738
  9. 1592
  10. 1311
  11. 2475
  12. 1047
  13. 4580
  14. 3699
  15. 1488
  16. 3006
  17. 6872
  18. 4711
  19. 4944
  20. 2484
  21. 2862
  22. 1521
  23. 5550
  24. 2432
  25. 2356
  26. 2841
  27. 2114
  28. 948
  29. 6920
  30. 8055
  31. 4968
  32. 1732
  33. 7368
  34. 4264
  35. 3296
  36. 1728
  37. 2664
  38. 3703
  39. 3156
  40. 5502

Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths