Build Your Own AI Project Worksheet

AI for students lesson 23: Design a tiny AI project · Set 640 · 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.🎯 Meera’s leaf identifier was tested on 20 new leaf photos and got 20 right. What is its accuracy in percent?
2. 2.🎯 Diya’s handwriting reader was tested on 50 new handwritten letters and got 27 right. What is its accuracy in percent?
3. 3.🧪 Why must you test a model on examples it has NOT seen? (a) to make it faster (b) to see if it learned (c) to make it bigger (d) to save paper
4. 4.📋 Planning an AI project: which comes first — pick a question to solve or work out the accuracy? (a) pick a question to solve (b) work out the accuracy
5. 5.📦 Aarav collected 170 labelled leaf photos for a leaf identifier and keeps one fifth of them for testing. How many are left for training?
6. 6.⚖️ Two handwriting reader models were tested on the same 10 handwritten letters. Model A got 8 right and Model B got 6 right. How many percentage points more accurate is Model A?
7. 7.📦 Ishaan collected 200 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 — try unseen examples or train the model? (a) try unseen examples (b) train the model
9. 9.⚖️ Two spam spotter models were tested on the same 10 messages. Model A got 10 right and Model B got 9 right. How many percentage points more accurate is Model A?
10. 10.📦 Arjun collected 90 labelled bird songs for a bird-song app and keeps one fifth of them for testing. How many are left for training?
11. 11.📋 Planning an AI project: which comes first — set aside test photos or gather many examples? (a) set aside test photos (b) gather many examples
12. 12.📋 Planning an AI project: which comes first — test on new photos or work out the accuracy? (a) test on new photos (b) work out the accuracy
13. 13.📋 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
14. 14.🎯 Ishaan’s bird-song app was tested on 50 new bird songs and got 38 right. What is its accuracy in percent?
15. 15.📋 Planning an AI project: which comes first — calculate percent right or improve data, retest? (a) calculate percent right (b) improve data, retest
16. 16.📋 Planning an AI project: which comes first — label each example or fix it and test again? (a) label each example (b) fix it and test again
17. 17.🎯 Ishaan’s bird-song app is 70% accurate. If it is tested on 80 new bird songs, how many should it get right?
18. 18.🎯 Ananya’s spam spotter was tested on 20 new messages and got 13 right. What is its accuracy in percent?
19. 19.🎯 Arjun’s handwriting reader was tested on 10 new handwritten letters and got 9 right. What is its accuracy in percent?
20. 20.📋 Planning an AI project: which comes first — recheck every label or let it learn patterns? (a) recheck every label (b) let it learn patterns
21. 21.🎯 Kabir’s recycling sorter was tested on 50 new waste photos and got 36 right. What is its accuracy in percent?
22. 22.⚖️ Two handwriting reader models were tested on the same 10 handwritten letters. Model A got 10 right and Model B got 6 right. How many percentage points more accurate is Model A?
23. 23.🎯 Diya’s spam spotter is 70% accurate. If it is tested on 30 new messages, how many should it get right?
24. 24.🎯 Nisha’s recycling sorter is 60% accurate. If it is tested on 20 new waste photos, how many should it get right?
25. 25.⚖️ Two bird-song app models were tested on the same 10 bird songs. Model A got 10 right and Model B got 7 right. How many percentage points more accurate is Model A?
26. 26.🧪 Your fruit sorter mixes up oranges and lemons. What helps most? (a) a louder speaker (b) a new colour screen (c) fewer examples (d) more labelled examples
27. 27.🧪 What is accuracy? (a) total × 2 (b) correct + total (c) correct ÷ total × 100 (d) total − correct
28. 28.⚖️ Two spam spotter models were tested on the same 50 messages. Model A got 38 right and Model B got 36 right. How many percentage points more accurate is Model A?
29. 29.📋 Planning an AI project: which comes first — work out the accuracy or set aside test photos? (a) work out the accuracy (b) set aside test photos
30. 30.❌ Ananya’s fruit sorter was tested on 20 new fruit photos and got 14 right. How many did it get wrong?
31. 31.📋 Planning an AI project: which comes first — recheck every label or gather many examples? (a) recheck every label (b) gather many examples
32. 32.📋 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
33. 33.🎯 Tara’s bird-song app was tested on 5 new bird songs and got 3 right. What is its accuracy in percent?
34. 34.📋 Planning an AI project: which comes first — calculate percent right or let it learn patterns? (a) calculate percent right (b) let it learn patterns
35. 35.📋 Planning an AI project: which comes first — label each example or test on new photos? (a) label each example (b) test on new photos
36. 36.📋 Planning an AI project: which comes first — try unseen examples or collect fruit photos? (a) try unseen examples (b) collect fruit photos
37. 37.📋 Planning an AI project: which comes first — recheck every label or pick a question to solve? (a) recheck every label (b) pick a question to solve
38. 38.📋 Planning an AI project: which comes first — improve data, retest or test on new photos? (a) improve data, retest (b) test on new photos
39. 39.📋 Planning an AI project: which comes first — collect fruit photos or split train and test? (a) collect fruit photos (b) split train and test
40. 40.🧪 You can plan a simple AI project with… (a) only a big robot (b) a secret password (c) paper and examples (d) nothing at all

Free ai for students lessons, practice and worksheets at talentjr.in/ai-for-students