← 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 380 · 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. 1.326 × 7 =
  2. 2.788 × 6 =
  3. 3.127 × 5 =
  4. 4.514 × 8 =
  5. 5.278 × 9 =
  6. 6.492 × 3 =
  7. 7.956 × 9 =
  8. 8.801 × 9 =
  9. 9.617 × 7 =
  10. 10.336 × 9 =
  11. 11.279 × 4 =
  12. 12.632 × 6 =
  13. 13.551 × 7 =
  14. 14.509 × 3 =
  15. 15.857 × 6 =
  16. 16.342 × 3 =
  17. 17.597 × 7 =
  18. 18.908 × 8 =
  19. 19.638 × 7 =
  20. 20.352 × 3 =
  21. 21.853 × 6 =
  22. 22.167 × 6 =
  23. 23.286 × 9 =
  24. 24.493 × 4 =
  25. 25.342 × 9 =
  26. 26.603 × 8 =
  27. 27.406 × 6 =
  28. 28.915 × 4 =
  29. 29.524 × 7 =
  30. 30.593 × 3 =
  31. 31.725 × 7 =
  32. 32.221 × 6 =
  33. 33.926 × 3 =
  34. 34.205 × 5 =
  35. 35.911 × 7 =
  36. 36.777 × 8 =
  37. 37.527 × 3 =
  38. 38.511 × 3 =
  39. 39.402 × 4 =
  40. 40.605 × 7 =

Answer key

  1. 2282
  2. 4728
  3. 635
  4. 4112
  5. 2502
  6. 1476
  7. 8604
  8. 7209
  9. 4319
  10. 3024
  11. 1116
  12. 3792
  13. 3857
  14. 1527
  15. 5142
  16. 1026
  17. 4179
  18. 7264
  19. 4466
  20. 1056
  21. 5118
  22. 1002
  23. 2574
  24. 1972
  25. 3078
  26. 4824
  27. 2436
  28. 3660
  29. 3668
  30. 1779
  31. 5075
  32. 1326
  33. 2778
  34. 1025
  35. 6377
  36. 6216
  37. 1581
  38. 1533
  39. 1608
  40. 4235

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