Build Your Own AI Project Worksheet

AI for students lesson 23: Design a tiny AI project · Set 657 · 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.⚖️ Two spam spotter models were tested on the same 25 messages. Model A got 25 right and Model B got 24 right. How many percentage points more accurate is Model A?
2. 2.📋 Planning an AI project: which comes first — collect fruit photos or recheck every label? (a) collect fruit photos (b) recheck every label
3. 3.🧪 Why must you test a model on examples it has NOT seen? (a) to make it faster (b) to make it bigger (c) to see if it learned (d) to save paper
4. 4.🧪 What is accuracy? (a) correct + total (b) total × 2 (c) total − correct (d) correct ÷ total × 100
5. 5.🎯 Kabir’s handwriting reader is 90% accurate. If it is tested on 40 new handwritten letters, how many should it get right?
6. 6.🧪 Your fruit sorter mixes up oranges and lemons. What helps most? (a) a new colour screen (b) a louder speaker (c) more labelled examples (d) fewer examples
7. 7.🎯 Ananya’s bird-song app was tested on 4 new bird songs and got 2 right. What is its accuracy in percent?
8. 8.📦 Diya collected 100 labelled leaf photos for a leaf identifier and keeps one fifth of them for testing. How many are left for training?
9. 9.📋 Planning an AI project: which comes first — work out the accuracy or improve data, retest? (a) work out the accuracy (b) improve data, retest
10. 10.⚖️ Two recycling sorter models were tested on the same 20 waste photos. Model A got 17 right and Model B got 13 right. How many percentage points more accurate is Model A?
11. 11.🎯 Tara’s spam spotter was tested on 25 new messages and got 18 right. What is its accuracy in percent?
12. 12.❌ Rohan’s leaf identifier was tested on 20 new leaf photos and got 12 right. How many did it get wrong?
13. 13.❌ Arjun’s leaf identifier was tested on 21 new leaf photos and got 13 right. How many did it get wrong?
14. 14.🧪 You can plan a simple AI project with… (a) nothing at all (b) paper and examples (c) a secret password (d) only a big robot
15. 15.⚖️ Two handwriting reader models were tested on the same 50 handwritten letters. Model A got 45 right and Model B got 34 right. How many percentage points more accurate is Model A?
16. 16.❌ Saanvi’s leaf identifier was tested on 20 new leaf photos and got 11 right. How many did it get wrong?
17. 17.📋 Planning an AI project: which comes first — test on new photos or calculate percent right? (a) test on new photos (b) calculate percent right
18. 18.🎯 Ananya’s handwriting reader is 90% accurate. If it is tested on 80 new handwritten letters, how many should it get right?
19. 19.📦 Vihaan collected 130 labelled leaf photos for a leaf identifier and keeps one fifth of them for testing. How many are left for training?
20. 20.📦 Ishaan collected 80 labelled messages for a spam spotter and keeps one fifth of them for testing. How many are left for training?
21. 21.🎯 Ishaan’s bird-song app was tested on 4 new bird songs and got 2 right. What is its accuracy in percent?
22. 22.🎯 Ananya’s bird-song app was tested on 5 new bird songs and got 5 right. What is its accuracy in percent?
23. 23.📋 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
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.🎯 Ishaan’s fruit sorter is 90% accurate. If it is tested on 10 new fruit photos, how many should it get right?
26. 26.📋 Planning an AI project: which comes first — pick a question to solve or gather many examples? (a) pick a question to solve (b) gather many examples
27. 27.❌ Vihaan’s leaf identifier was tested on 46 new leaf photos and got 40 right. How many did it get wrong?
28. 28.🎯 Rohan’s fruit sorter was tested on 4 new fruit photos and got 4 right. What is its accuracy in percent?
29. 29.⚖️ Two fruit sorter models were tested on the same 10 fruit photos. Model A got 10 right and Model B got 9 right. How many percentage points more accurate is Model A?
30. 30.📋 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
31. 31.🎯 Nisha’s bird-song app is 60% accurate. If it is tested on 50 new bird songs, how many should it get right?
32. 32.🎯 Rohan’s spam spotter is 50% accurate. If it is tested on 20 new messages, how many should it get right?
33. 33.❌ Kabir’s recycling sorter was tested on 29 new waste photos and got 23 right. How many did it get wrong?
34. 34.📋 Planning an AI project: which comes first — train the model or label each example? (a) train the model (b) label each example
35. 35.🎯 Aarav’s spam spotter is 70% accurate. If it is tested on 90 new messages, how many should it get right?
36. 36.📦 Tara collected 110 labelled fruit photos for a fruit sorter and keeps one fifth of them for testing. How many are left for training?
37. 37.⚖️ Two fruit sorter models were tested on the same 25 fruit photos. Model A got 22 right and Model B got 21 right. How many percentage points more accurate is Model A?
38. 38.📋 Planning an AI project: which comes first — calculate percent right or improve data, retest? (a) calculate percent right (b) improve data, retest
39. 39.❌ Ananya’s fruit sorter was tested on 25 new fruit photos and got 22 right. How many did it get wrong?
40. 40.📋 Planning an AI project: which comes first — choose what to sort or gather many examples? (a) choose what to sort (b) gather many examples

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