Build Your Own AI Project Worksheet

AI for students lesson 23: Design a tiny AI project · Set 820 · 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 recheck every label? (a) pick a question to solve (b) recheck every label
2. 2.📋 Planning an AI project: which comes first — recheck every label or test on new photos? (a) recheck every label (b) test on new photos
3. 3.🎯 Arjun’s recycling sorter was tested on 20 new waste photos and got 19 right. What is its accuracy in percent?
4. 4.📋 Planning an AI project: which comes first — improve data, retest or recheck every label? (a) improve data, retest (b) recheck every label
5. 5.🧪 What is accuracy? (a) total − correct (b) correct ÷ total × 100 (c) correct + total (d) total × 2
6. 6.📋 Planning an AI project: which comes first — work out the accuracy or train the model? (a) work out the accuracy (b) train the model
7. 7.📦 Diya collected 140 labelled handwritten letters for a handwriting reader and keeps one fifth of them for testing. How many are left for training?
8. 8.📋 Planning an AI project: which comes first — test on new photos or calculate percent right? (a) test on new photos (b) calculate percent right
9. 9.⚖️ Two handwriting reader models were tested on the same 20 handwritten letters. Model A got 17 right and Model B got 16 right. How many percentage points more accurate is Model A?
10. 10.📋 Planning an AI project: which comes first — calculate percent right or improve data, retest? (a) calculate percent right (b) improve data, retest
11. 11.📋 Planning an AI project: which comes first — let it learn patterns or collect fruit photos? (a) let it learn patterns (b) collect fruit photos
12. 12.❌ Vihaan’s handwriting reader was tested on 34 new handwritten letters and got 26 right. How many did it get wrong?
13. 13.📦 Ananya collected 170 labelled bird songs for a bird-song app and keeps one fifth of them for testing. How many are left for training?
14. 14.⚖️ Two handwriting reader models were tested on the same 50 handwritten letters. Model A got 50 right and Model B got 47 right. How many percentage points more accurate is Model A?
15. 15.📦 Vihaan collected 160 labelled messages for a spam spotter and keeps one fifth of them for testing. How many are left for training?
16. 16.🧪 Your fruit sorter mixes up oranges and lemons. What helps most? (a) a louder speaker (b) a new colour screen (c) more labelled examples (d) fewer examples
17. 17.🎯 Aarav’s recycling sorter was tested on 5 new waste photos and got 3 right. What is its accuracy in percent?
18. 18.🎯 Nisha’s handwriting reader was tested on 4 new handwritten letters and got 2 right. What is its accuracy in percent?
19. 19.⚖️ Two handwriting reader models were tested on the same 20 handwritten letters. Model A got 19 right and Model B got 16 right. How many percentage points more accurate is Model A?
20. 20.🎯 Diya’s bird-song app is 70% accurate. If it is tested on 60 new bird songs, how many should it get right?
21. 21.🎯 Aarav’s handwriting reader is 90% accurate. If it is tested on 90 new handwritten letters, how many should it get right?
22. 22.📋 Planning an AI project: which comes first — split train and test or choose what to sort? (a) split train and test (b) choose what to sort
23. 23.⚖️ Two handwriting reader models were tested on the same 25 handwritten letters. Model A got 25 right and Model B got 24 right. How many percentage points more accurate is Model A?
24. 24.🎯 Saanvi’s bird-song app is 80% accurate. If it is tested on 10 new bird songs, how many should it get right?
25. 25.📋 Planning an AI project: which comes first — fix it and test again or split train and test? (a) fix it and test again (b) split train and test
26. 26.📦 Diya collected 170 labelled messages for a spam spotter and keeps one fifth of them for testing. How many are left for training?
27. 27.🧪 You can plan a simple AI project with… (a) only a big robot (b) paper and examples (c) a secret password (d) nothing at all
28. 28.⚖️ Two fruit sorter models were tested on the same 25 fruit photos. Model A got 23 right and Model B got 21 right. How many percentage points more accurate is Model A?
29. 29.📋 Planning an AI project: which comes first — improve data, retest or collect fruit photos? (a) improve data, retest (b) collect fruit photos
30. 30.📋 Planning an AI project: which comes first — let it learn patterns or pick a question to solve? (a) let it learn patterns (b) pick a question to solve
31. 31.📋 Planning an AI project: which comes first — label each example or correct bad labels? (a) label each example (b) correct bad labels
32. 32.🎯 Diya’s leaf identifier was tested on 50 new leaf photos and got 30 right. What is its accuracy in percent?
33. 33.📋 Planning an AI project: which comes first — improve data, retest or test on new photos? (a) improve data, retest (b) test on new photos
34. 34.📋 Planning an AI project: which comes first — tag each photo by type or split train and test? (a) tag each photo by type (b) split train and test
35. 35.📋 Planning an AI project: which comes first — choose what to sort or recheck every label? (a) choose what to sort (b) recheck every label
36. 36.🎯 Vihaan’s fruit sorter is 70% accurate. If it is tested on 20 new fruit photos, how many should it get right?
37. 37.📋 Planning an AI project: which comes first — correct bad labels or collect fruit photos? (a) correct bad labels (b) collect fruit photos
38. 38.📋 Planning an AI project: which comes first — let it learn patterns or improve data, retest? (a) let it learn patterns (b) improve data, retest
39. 39.⚖️ Two fruit sorter models were tested on the same 20 fruit photos. Model A got 19 right and Model B got 10 right. How many percentage points more accurate is Model A?
40. 40.📦 Arjun collected 140 labelled waste photos for a recycling sorter and keeps one fifth of them for testing. How many are left for training?

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