Build Your Own AI Project Worksheet

AI for students lesson 23: Design a tiny AI project · Set 706 · 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.🧪 Why must you test a model on examples it has NOT seen? (a) to see if it learned (b) to make it faster (c) to make it bigger (d) to save paper
2. 2.📋 Planning an AI project: which comes first — tag each photo by type or collect fruit photos? (a) tag each photo by type (b) collect fruit photos
3. 3.📋 Planning an AI project: which comes first — improve data, retest or try unseen examples? (a) improve data, retest (b) try unseen examples
4. 4.📋 Planning an AI project: which comes first — fix it and test again or pick a question to solve? (a) fix it and test again (b) pick a question to solve
5. 5.📋 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
6. 6.📋 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
7. 7.🎯 Kabir’s leaf identifier was tested on 4 new leaf photos and got 2 right. What is its accuracy in percent?
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.📋 Planning an AI project: which comes first — recheck every label or label each example? (a) recheck every label (b) label each example
10. 10.📋 Planning an AI project: which comes first — work out the accuracy or try unseen examples? (a) work out the accuracy (b) try unseen examples
11. 11.❌ Kabir’s fruit sorter was tested on 37 new fruit photos and got 32 right. How many did it get wrong?
12. 12.❌ Rohan’s handwriting reader was tested on 31 new handwritten letters and got 28 right. How many did it get wrong?
13. 13.📦 Tara collected 130 labelled handwritten letters for a handwriting reader and keeps one fifth of them for testing. How many are left for training?
14. 14.🧪 You can plan a simple AI project with… (a) nothing at all (b) only a big robot (c) a secret password (d) paper and examples
15. 15.⚖️ Two bird-song app models were tested on the same 50 bird songs. Model A got 40 right and Model B got 30 right. How many percentage points more accurate is Model A?
16. 16.❌ Ishaan’s recycling sorter was tested on 39 new waste photos and got 31 right. How many did it get wrong?
17. 17.📋 Planning an AI project: which comes first — choose what to sort or work out the accuracy? (a) choose what to sort (b) work out the accuracy
18. 18.🎯 Rohan’s fruit sorter is 50% accurate. If it is tested on 60 new fruit photos, how many should it get right?
19. 19.🎯 Saanvi’s fruit sorter was tested on 10 new fruit photos and got 5 right. What is its accuracy in percent?
20. 20.⚖️ Two recycling sorter models were tested on the same 20 waste photos. Model A got 15 right and Model B got 12 right. How many percentage points more accurate is Model A?
21. 21.📋 Planning an AI project: which comes first — fix it and test again or train the model? (a) fix it and test again (b) train the model
22. 22.📋 Planning an AI project: which comes first — improve data, retest or train the model? (a) improve data, retest (b) train the model
23. 23.📋 Planning an AI project: which comes first — let it learn patterns or recheck every label? (a) let it learn patterns (b) recheck every label
24. 24.📦 Aarav collected 170 labelled messages for a spam spotter and keeps one fifth of them for testing. How many are left for training?
25. 25.🎯 Arjun’s bird-song app is 50% accurate. If it is tested on 80 new bird songs, how many should it get right?
26. 26.📋 Planning an AI project: which comes first — collect fruit photos or set aside test photos? (a) collect fruit photos (b) set aside test photos
27. 27.🎯 Ananya’s handwriting reader was tested on 10 new handwritten letters and got 6 right. What is its accuracy in percent?
28. 28.📋 Planning an AI project: which comes first — improve data, retest or work out the accuracy? (a) improve data, retest (b) work out the accuracy
29. 29.🎯 Diya’s leaf identifier was tested on 5 new leaf photos and got 4 right. What is its accuracy in percent?
30. 30.📋 Planning an AI project: which comes first — gather many examples or test on new photos? (a) gather many examples (b) test on new photos
31. 31.📋 Planning an AI project: which comes first — correct bad labels or let it learn patterns? (a) correct bad labels (b) let it learn patterns
32. 32.🎯 Meera’s spam spotter is 80% accurate. If it is tested on 80 new messages, how many should it get right?
33. 33.🎯 Kabir’s spam spotter was tested on 20 new messages and got 20 right. What is its accuracy in percent?
34. 34.⚖️ Two handwriting reader models were tested on the same 25 handwritten letters. Model A got 22 right and Model B got 19 right. How many percentage points more accurate is Model A?
35. 35.🎯 Arjun’s bird-song app was tested on 25 new bird songs and got 22 right. What is its accuracy in percent?
36. 36.📋 Planning an AI project: which comes first — tag each photo by type or calculate percent right? (a) tag each photo by type (b) calculate percent right
37. 37.🎯 Ananya’s bird-song app was tested on 25 new bird songs and got 18 right. What is its accuracy in percent?
38. 38.📋 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
39. 39.❌ Vihaan’s spam spotter was tested on 19 new messages and got 12 right. How many did it get wrong?
40. 40.📦 Ishaan collected 150 labelled fruit photos for a fruit sorter and keeps one fifth of them for testing. How many are left for training?

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