Build Your Own AI Project Worksheet

AI for students lesson 23: Design a tiny AI project · Set 659 · 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 — gather many examples or test on new photos? (a) gather many examples (b) test on new photos
2. 2.📦 Aarav collected 160 labelled fruit photos for a fruit sorter and keeps one fifth of them for testing. How many are left for training?
3. 3.⚖️ Two leaf identifier models were tested on the same 50 leaf photos. Model A got 49 right and Model B got 48 right. How many percentage points more accurate is Model A?
4. 4.📋 Planning an AI project: which comes first — fix it and test again or work out the accuracy? (a) fix it and test again (b) work out the accuracy
5. 5.📦 Arjun collected 100 labelled waste photos for a recycling sorter and keeps one fifth of them for testing. How many are left for training?
6. 6.🧪 Your fruit sorter mixes up oranges and lemons. What helps most? (a) a louder speaker (b) more labelled examples (c) fewer examples (d) a new colour screen
7. 7.🧪 Why must you test a model on examples it has NOT seen? (a) to see if it learned (b) to make it bigger (c) to save paper (d) to make it faster
8. 8.📋 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
9. 9.❌ Arjun’s bird-song app was tested on 21 new bird songs and got 16 right. How many did it get wrong?
10. 10.❌ Vihaan’s handwriting reader was tested on 22 new handwritten letters and got 13 right. How many did it get wrong?
11. 11.📦 Diya collected 50 labelled handwritten letters for a handwriting reader and keeps one fifth of them for testing. How many are left for training?
12. 12.🧪 What is accuracy? (a) correct ÷ total × 100 (b) total × 2 (c) correct + total (d) total − correct
13. 13.🎯 Diya’s spam spotter is 90% accurate. If it is tested on 40 new messages, how many should it get right?
14. 14.🎯 Aarav’s leaf identifier is 60% accurate. If it is tested on 30 new leaf photos, how many should it get right?
15. 15.🎯 Ishaan’s bird-song app was tested on 25 new bird songs and got 14 right. What is its accuracy in percent?
16. 16.⚖️ Two recycling sorter models were tested on the same 10 waste photos. Model A got 10 right and Model B got 7 right. How many percentage points more accurate is Model A?
17. 17.⚖️ Two fruit sorter models were tested on the same 20 fruit photos. Model A got 18 right and Model B got 16 right. How many percentage points more accurate is Model A?
18. 18.⚖️ Two leaf identifier models were tested on the same 20 leaf photos. Model A got 20 right and Model B got 19 right. How many percentage points more accurate is Model A?
19. 19.📦 Kabir collected 140 labelled waste photos for a recycling sorter and keeps one fifth of them for testing. How many are left for training?
20. 20.📦 Nisha collected 110 labelled messages for a spam spotter and keeps one fifth of them for testing. How many are left for training?
21. 21.📋 Planning an AI project: which comes first — fix it and test again or choose what to sort? (a) fix it and test again (b) choose what to sort
22. 22.⚖️ Two recycling sorter models were tested on the same 10 waste photos. Model A got 10 right and Model B got 6 right. How many percentage points more accurate is Model A?
23. 23.⚖️ Two handwriting reader models were tested on the same 20 handwritten letters. Model A got 19 right and Model B got 13 right. How many percentage points more accurate is Model A?
24. 24.📋 Planning an AI project: which comes first — fix it and test again or test on new photos? (a) fix it and test again (b) test on new photos
25. 25.🎯 Meera’s bird-song app is 50% accurate. If it is tested on 20 new bird songs, how many should it get right?
26. 26.🎯 Tara’s recycling sorter is 50% accurate. If it is tested on 60 new waste photos, how many should it get right?
27. 27.📦 Saanvi collected 170 labelled leaf photos for a leaf identifier and keeps one fifth of them for testing. How many are left for training?
28. 28.❌ Ishaan’s handwriting reader was tested on 41 new handwritten letters and got 35 right. How many did it get wrong?
29. 29.🎯 Meera’s recycling sorter was tested on 4 new waste photos and got 4 right. What is its accuracy in percent?
30. 30.📦 Rohan collected 50 labelled waste photos for a recycling sorter and keeps one fifth of them for testing. How many are left for training?
31. 31.🎯 Nisha’s spam spotter is 60% accurate. If it is tested on 20 new messages, how many should it get right?
32. 32.📋 Planning an AI project: which comes first — improve data, retest or calculate percent right? (a) improve data, retest (b) calculate percent right
33. 33.❌ Rohan’s recycling sorter was tested on 30 new waste photos and got 26 right. How many did it get wrong?
34. 34.📦 Vihaan collected 100 labelled fruit photos for a fruit sorter and keeps one fifth of them for testing. How many are left for training?
35. 35.📋 Planning an AI project: which comes first — set aside test photos or test on new photos? (a) set aside test photos (b) test on new photos
36. 36.📋 Planning an AI project: which comes first — correct bad labels or label each example? (a) correct bad labels (b) label each example
37. 37.🎯 Vihaan’s handwriting reader is 80% accurate. If it is tested on 100 new handwritten letters, how many should it get right?
38. 38.📋 Planning an AI project: which comes first — try unseen examples or let it learn patterns? (a) try unseen examples (b) let it learn patterns
39. 39.📋 Planning an AI project: which comes first — calculate percent right or test on new photos? (a) calculate percent right (b) test on new photos
40. 40.🎯 Vihaan’s bird-song app was tested on 4 new bird songs and got 4 right. What is its accuracy in percent?

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