Build Your Own AI Project Worksheet

AI for students lesson 23: Design a tiny AI project · Set 144 · 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.📦 Saanvi collected 180 labelled messages for a spam spotter and keeps one fifth of them for testing. How many are left for training?
2. 2.🧪 What is accuracy? (a) correct + total (b) correct ÷ total × 100 (c) total − correct (d) total × 2
3. 3.🎯 Ishaan’s spam spotter is 90% accurate. If it is tested on 20 new messages, how many should it get right?
4. 4.📦 Meera collected 60 labelled handwritten letters for a handwriting reader and keeps one fifth of them for testing. How many are left for training?
5. 5.🧪 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
6. 6.📋 Planning an AI project: which comes first — collect fruit photos or pick a question to solve? (a) collect fruit photos (b) pick a question to solve
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.📦 Meera collected 180 labelled waste photos for a recycling sorter and keeps one fifth of them for testing. How many are left for training?
9. 9.🎯 Nisha’s handwriting reader is 80% accurate. If it is tested on 70 new handwritten letters, how many should it get right?
10. 10.🧪 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
11. 11.❌ Ishaan’s bird-song app was tested on 41 new bird songs and got 35 right. How many did it get wrong?
12. 12.📋 Planning an AI project: which comes first — train the model or split train and test? (a) train the model (b) split train and test
13. 13.🎯 Ishaan’s recycling sorter is 60% accurate. If it is tested on 30 new waste photos, how many should it get right?
14. 14.🎯 Rohan’s handwriting reader is 50% accurate. If it is tested on 60 new handwritten letters, how many should it get right?
15. 15.⚖️ Two bird-song app models were tested on the same 10 bird songs. Model A got 8 right and Model B got 7 right. How many percentage points more accurate is Model A?
16. 16.❌ Ishaan’s spam spotter was tested on 37 new messages and got 35 right. How many did it get wrong?
17. 17.📋 Planning an AI project: which comes first — calculate percent right or improve data, retest? (a) calculate percent right (b) improve data, retest
18. 18.📋 Planning an AI project: which comes first — calculate percent right or train the model? (a) calculate percent right (b) train the model
19. 19.📋 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
20. 20.🎯 Nisha’s leaf identifier is 80% accurate. If it is tested on 100 new leaf photos, how many should it get right?
21. 21.📋 Planning an AI project: which comes first — collect fruit photos or tag each photo by type? (a) collect fruit photos (b) tag each photo by type
22. 22.📋 Planning an AI project: which comes first — set aside test photos or train the model? (a) set aside test photos (b) train the model
23. 23.📋 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
24. 24.⚖️ Two spam spotter models were tested on the same 50 messages. Model A got 42 right and Model B got 27 right. How many percentage points more accurate is Model A?
25. 25.⚖️ Two handwriting reader models were tested on the same 25 handwritten letters. Model A got 24 right and Model B got 22 right. How many percentage points more accurate is Model A?
26. 26.📋 Planning an AI project: which comes first — tag each photo by type or recheck every label? (a) tag each photo by type (b) recheck every label
27. 27.📋 Planning an AI project: which comes first — work out the accuracy or train the model? (a) work out the accuracy (b) train the model
28. 28.📋 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
29. 29.📋 Planning an AI project: which comes first — split train and test or tag each photo by type? (a) split train and test (b) tag each photo by type
30. 30.🎯 Tara’s leaf identifier is 60% accurate. If it is tested on 30 new leaf photos, how many should it get right?
31. 31.📋 Planning an AI project: which comes first — set aside test photos or improve data, retest? (a) set aside test photos (b) improve data, retest
32. 32.📋 Planning an AI project: which comes first — work out the accuracy or let it learn patterns? (a) work out the accuracy (b) let it learn patterns
33. 33.🎯 Ishaan’s handwriting reader was tested on 5 new handwritten letters and got 5 right. What is its accuracy in percent?
34. 34.📋 Planning an AI project: which comes first — improve data, retest or calculate percent right? (a) improve data, retest (b) calculate percent right
35. 35.📋 Planning an AI project: which comes first — label each example or set aside test photos? (a) label each example (b) set aside test photos
36. 36.⚖️ Two bird-song app models were tested on the same 20 bird songs. Model A got 19 right and Model B got 18 right. How many percentage points more accurate is Model A?
37. 37.📋 Planning an AI project: which comes first — train the model or improve data, retest? (a) train the model (b) improve data, retest
38. 38.📋 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
39. 39.📋 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
40. 40.⚖️ Two bird-song app models were tested on the same 50 bird songs. Model A got 45 right and Model B got 34 right. How many percentage points more accurate is Model A?

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