← 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 587 · 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. 1.575 × 6 =
  2. 2.692 × 4 =
  3. 3.901 × 9 =
  4. 4.214 × 4 =
  5. 5.147 × 7 =
  6. 6.935 × 9 =
  7. 7.785 × 3 =
  8. 8.534 × 4 =
  9. 9.348 × 4 =
  10. 10.918 × 4 =
  11. 11.171 × 6 =
  12. 12.223 × 6 =
  13. 13.251 × 5 =
  14. 14.661 × 4 =
  15. 15.431 × 8 =
  16. 16.143 × 3 =
  17. 17.305 × 8 =
  18. 18.302 × 7 =
  19. 19.733 × 6 =
  20. 20.421 × 4 =
  21. 21.779 × 5 =
  22. 22.694 × 8 =
  23. 23.669 × 8 =
  24. 24.285 × 5 =
  25. 25.276 × 4 =
  26. 26.481 × 5 =
  27. 27.241 × 5 =
  28. 28.326 × 9 =
  29. 29.648 × 5 =
  30. 30.926 × 3 =
  31. 31.828 × 4 =
  32. 32.231 × 5 =
  33. 33.292 × 3 =
  34. 34.969 × 4 =
  35. 35.621 × 9 =
  36. 36.657 × 5 =
  37. 37.155 × 8 =
  38. 38.611 × 3 =
  39. 39.393 × 3 =
  40. 40.636 × 5 =

Answer key

  1. 3450
  2. 2768
  3. 8109
  4. 856
  5. 1029
  6. 8415
  7. 2355
  8. 2136
  9. 1392
  10. 3672
  11. 1026
  12. 1338
  13. 1255
  14. 2644
  15. 3448
  16. 429
  17. 2440
  18. 2114
  19. 4398
  20. 1684
  21. 3895
  22. 5552
  23. 5352
  24. 1425
  25. 1104
  26. 2405
  27. 1205
  28. 2934
  29. 3240
  30. 2778
  31. 3312
  32. 1155
  33. 876
  34. 3876
  35. 5589
  36. 3285
  37. 1240
  38. 1833
  39. 1179
  40. 3180

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