← 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 465 · 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. 1.363 × 5 =
  2. 2.542 × 6 =
  3. 3.253 × 6 =
  4. 4.411 × 3 =
  5. 5.322 × 8 =
  6. 6.799 × 7 =
  7. 7.431 × 4 =
  8. 8.373 × 9 =
  9. 9.544 × 3 =
  10. 10.586 × 9 =
  11. 11.897 × 7 =
  12. 12.293 × 8 =
  13. 13.698 × 3 =
  14. 14.752 × 4 =
  15. 15.367 × 8 =
  16. 16.225 × 3 =
  17. 17.184 × 6 =
  18. 18.312 × 6 =
  19. 19.322 × 3 =
  20. 20.334 × 8 =
  21. 21.625 × 5 =
  22. 22.595 × 8 =
  23. 23.301 × 4 =
  24. 24.178 × 5 =
  25. 25.532 × 7 =
  26. 26.345 × 7 =
  27. 27.941 × 4 =
  28. 28.641 × 8 =
  29. 29.151 × 9 =
  30. 30.944 × 4 =
  31. 31.425 × 5 =
  32. 32.211 × 3 =
  33. 33.712 × 3 =
  34. 34.506 × 4 =
  35. 35.713 × 3 =
  36. 36.431 × 6 =
  37. 37.738 × 3 =
  38. 38.841 × 3 =
  39. 39.347 × 7 =
  40. 40.934 × 3 =

Answer key

  1. 1815
  2. 3252
  3. 1518
  4. 1233
  5. 2576
  6. 5593
  7. 1724
  8. 3357
  9. 1632
  10. 5274
  11. 6279
  12. 2344
  13. 2094
  14. 3008
  15. 2936
  16. 675
  17. 1104
  18. 1872
  19. 966
  20. 2672
  21. 3125
  22. 4760
  23. 1204
  24. 890
  25. 3724
  26. 2415
  27. 3764
  28. 5128
  29. 1359
  30. 3776
  31. 2125
  32. 633
  33. 2136
  34. 2024
  35. 2139
  36. 2586
  37. 2214
  38. 2523
  39. 2429
  40. 2802

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