Build Your Own AI Project Worksheet

AI for students lesson 23: Design a tiny AI project · Set 237 · 40 questions

AI tip (Accuracy = correct ÷ total × 100): Steps: 1 choose a problem → 2 collect examples → 3 label them → 4 check and correct bad labels (clean the data) → 5 split into training and test sets → 6 train → 7 test with new examples → 8 measure accuracy → 9 improve the data and retest. Accuracy = correct ÷ total × 100. Wrong = total − correct. Expected right = accuracy ÷ 100 × total. Keep some examples apart for testing (for example one fifth); the rest are for training.

1. 1.📋 Planning an AI project: which comes first — pick a question to solve or calculate percent right? (a) pick a question to solve (b) calculate percent right
2. 2.📋 Planning an AI project: which comes first — let it learn patterns or work out the accuracy? (a) let it learn patterns (b) work out the accuracy
3. 3.🎯 Kabir’s fruit sorter is 70% accurate. If it is tested on 80 new fruit photos, how many should it get right?
4. 4.📋 Planning an AI project: which comes first — work out the accuracy or fix it and test again? (a) work out the accuracy (b) fix it and test again
5. 5.❌ Saanvi’s handwriting reader was tested on 40 new handwritten letters and got 31 right. How many did it get wrong?
6. 6.📋 Planning an AI project: which comes first — work out the accuracy or test on new photos? (a) work out the accuracy (b) test on new photos
7. 7.🧪 You can plan a simple AI project with… (a) a secret password (b) only a big robot (c) nothing at all (d) paper and examples
8. 8.📦 Tara collected 40 labelled bird songs for a bird-song app and keeps one fifth of them for testing. How many are left for training?
9. 9.🧪 Your fruit sorter mixes up oranges and lemons. What helps most? (a) more labelled examples (b) fewer examples (c) a new colour screen (d) a louder speaker
10. 10.🎯 Rohan’s spam spotter is 70% accurate. If it is tested on 60 new messages, how many should it get right?
11. 11.🎯 Saanvi’s handwriting reader was tested on 20 new handwritten letters and got 11 right. What is its accuracy in percent?
12. 12.🎯 Aarav’s spam spotter is 50% accurate. If it is tested on 60 new messages, how many should it get right?
13. 13.🎯 Aarav’s handwriting reader is 70% accurate. If it is tested on 40 new handwritten letters, how many should it get right?
14. 14.🎯 Vihaan’s fruit sorter was tested on 4 new fruit photos and got 4 right. What is its accuracy in percent?
15. 15.📋 Planning an AI project: which comes first — test on new photos or improve data, retest? (a) test on new photos (b) improve data, retest
16. 16.🧪 Why must you test a model on examples it has NOT seen? (a) to make it faster (b) to save paper (c) to make it bigger (d) to see if it learned
17. 17.📋 Planning an AI project: which comes first — gather many examples or label each example? (a) gather many examples (b) label each example
18. 18.📋 Planning an AI project: which comes first — calculate percent right or let it learn patterns? (a) calculate percent right (b) let it learn patterns
19. 19.📋 Planning an AI project: which comes first — calculate percent right or fix it and test again? (a) calculate percent right (b) fix it and test again
20. 20.📦 Meera collected 50 labelled bird songs for a bird-song app and keeps one fifth of them for testing. How many are left for training?
21. 21.📋 Planning an AI project: which comes first — label each example or pick a question to solve? (a) label each example (b) pick a question to solve
22. 22.📋 Planning an AI project: which comes first — set aside test photos or collect fruit photos? (a) set aside test photos (b) collect fruit photos
23. 23.🧪 What is accuracy? (a) total × 2 (b) total − correct (c) correct + total (d) correct ÷ total × 100
24. 24.📦 Rohan collected 160 labelled handwritten letters for a handwriting reader and keeps one fifth of them for testing. How many are left for training?
25. 25.🎯 Diya’s spam spotter is 60% accurate. If it is tested on 50 new messages, how many should it get right?
26. 26.🎯 Kabir’s spam spotter is 80% accurate. If it is tested on 20 new messages, how many should it get right?
27. 27.🎯 Nisha’s recycling sorter was tested on 25 new waste photos and got 23 right. What is its accuracy in percent?
28. 28.📋 Planning an AI project: which comes first — set aside test photos or choose what to sort? (a) set aside test photos (b) choose what to sort
29. 29.📋 Planning an AI project: which comes first — fix it and test again or calculate percent right? (a) fix it and test again (b) calculate percent right
30. 30.📋 Planning an AI project: which comes first — calculate percent right or try unseen examples? (a) calculate percent right (b) try unseen examples
31. 31.⚖️ Two spam spotter models were tested on the same 20 messages. Model A got 18 right and Model B got 14 right. How many percentage points more accurate is Model A?
32. 32.🎯 Tara’s spam spotter was tested on 4 new messages and got 3 right. What is its accuracy in percent?
33. 33.❌ Diya’s bird-song app was tested on 49 new bird songs and got 44 right. How many did it get wrong?
34. 34.🎯 Aarav’s fruit sorter is 50% accurate. If it is tested on 60 new fruit photos, how many should it get right?
35. 35.❌ Vihaan’s leaf identifier was tested on 18 new leaf photos and got 11 right. How many did it get wrong?
36. 36.🎯 Rohan’s spam spotter was tested on 20 new messages and got 17 right. What is its accuracy in percent?
37. 37.📋 Planning an AI project: which comes first — tag each photo by type or fix it and test again? (a) tag each photo by type (b) fix it and test again
38. 38.⚖️ Two spam spotter models were tested on the same 25 messages. Model A got 20 right and Model B got 18 right. How many percentage points more accurate is Model A?
39. 39.📋 Planning an AI project: which comes first — split train and test or train the model? (a) split train and test (b) train the model
40. 40.❌ Saanvi’s spam spotter was tested on 29 new messages and got 24 right. How many did it get wrong?

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