← 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 648 · 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. 1.764 × 7 =
  2. 2.515 × 7 =
  3. 3.171 × 6 =
  4. 4.271 × 3 =
  5. 5.149 × 5 =
  6. 6.502 × 7 =
  7. 7.378 × 8 =
  8. 8.378 × 5 =
  9. 9.587 × 7 =
  10. 10.211 × 6 =
  11. 11.271 × 7 =
  12. 12.498 × 4 =
  13. 13.271 × 5 =
  14. 14.181 × 6 =
  15. 15.201 × 9 =
  16. 16.611 × 3 =
  17. 17.354 × 7 =
  18. 18.701 × 3 =
  19. 19.541 × 3 =
  20. 20.684 × 9 =
  21. 21.151 × 5 =
  22. 22.908 × 8 =
  23. 23.508 × 7 =
  24. 24.382 × 4 =
  25. 25.883 × 8 =
  26. 26.469 × 7 =
  27. 27.833 × 3 =
  28. 28.868 × 5 =
  29. 29.254 × 9 =
  30. 30.309 × 3 =
  31. 31.179 × 7 =
  32. 32.677 × 8 =
  33. 33.268 × 8 =
  34. 34.137 × 7 =
  35. 35.344 × 8 =
  36. 36.445 × 9 =
  37. 37.597 × 3 =
  38. 38.301 × 4 =
  39. 39.201 × 8 =
  40. 40.959 × 9 =

Answer key

  1. 5348
  2. 3605
  3. 1026
  4. 813
  5. 745
  6. 3514
  7. 3024
  8. 1890
  9. 4109
  10. 1266
  11. 1897
  12. 1992
  13. 1355
  14. 1086
  15. 1809
  16. 1833
  17. 2478
  18. 2103
  19. 1623
  20. 6156
  21. 755
  22. 7264
  23. 3556
  24. 1528
  25. 7064
  26. 3283
  27. 2499
  28. 4340
  29. 2286
  30. 927
  31. 1253
  32. 5416
  33. 2144
  34. 959
  35. 2752
  36. 4005
  37. 1791
  38. 1204
  39. 1608
  40. 8631

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