Evidence and Missing Information Worksheet

Critical thinking lesson 9: Enough evidence and missing information · Set 558 · 40 questions

Thinking tip (Enough facts, then decide): Not enough evidence: “One mango was sour, so all are sour.” Enough: “We checked all 40 mangoes; every one was ripe.” Before you answer, check every fact you need is given. 7 rows with 9 in each → 7 × 9 = 63. “A box has 9 in each row” with no number of rows → not enough info. Missing facts hide in words like “and a bag”, “older” (by how much?) and “a long film” (how long?).

1. 1.🧩 The film starts at 4 PM and lasts 1 hour. When does it end? (a) 5 PM (b) 6 PM (c) 4 PM (d) not enough info
2. 2.True or false: “We asked all 30 classmates; 25 chose the zoo trip.” does not give enough evidence. (a) True (b) False
3. 3.🧩 A box has 4 rows of eggs, with 7 in each row. How many eggs are in the box? (a) 35 (b) 11 (c) not enough info (d) 28
4. 4.True or false: “We tested 20 seeds, and 18 of them sprouted.” does not give enough evidence. (a) True (b) False
5. 5.🧩 Enough evidence or not? “We asked all 30 classmates; 25 chose the zoo trip.” (a) enough evidence (b) not enough evidence
6. 6.🥭 You taste one mango from a box of 50, and it is sweet. Can you be sure all 50 are sweet? (a) yes, mangoes match (b) yes, it is certain (c) no mango is sweet (d) no, check more
7. 7.True or false: “We measured the plant every day for a month; it grew 9 cm.” gives enough evidence. (a) True (b) False
8. 8.🧩 Enough evidence or not? “My friend didn’t like the book, so the book is bad for everyone.” (a) enough evidence (b) not enough evidence
9. 9.True or false: “My friend didn’t like the book, so the book is bad for everyone.” gives enough evidence. (a) False (b) True
10. 10.True or false: “We checked all 40 mangoes in the box; every one was ripe.” gives enough evidence. (a) False (b) True
11. 11.🧩 The film starts at 6 PM and lasts 1 hour. When does it end? (a) 6 PM (b) 7 PM (c) not enough info (d) 8 PM
12. 12.🧩 A box has 5 rows of mangoes, with 5 in each row. How many mangoes are in the box? (a) 10 (b) 30 (c) 25 (d) not enough info
13. 13.🧩 A box has 4 rows of apples, with 8 in each row. How many apples are in the box? (a) 40 (b) 12 (c) not enough info (d) 32
14. 14.🧩 Enough evidence or not? “We checked all 40 mangoes in the box; every one was ripe.” (a) not enough evidence (b) enough evidence
15. 15.🧩 A box has 5 rows of apples, with 4 in each row. How many apples are in the box? (a) 20 (b) 24 (c) not enough info (d) 9
16. 16.🧩 The film starts at 3 PM. It is a long film. When does it end? (a) not enough info (b) 5 PM (c) 6 PM (d) 4 PM
17. 17.🧩 Vihaan is 12 years old. Kabir is 9 years older than Vihaan. How old is Kabir? (a) 9 (b) 22 (c) not enough info (d) 21
18. 18.🧩 The film starts at 6 PM and lasts 2 hours. When does it end? (a) not enough info (b) 6 PM (c) 9 PM (d) 8 PM
19. 19.🐕 One dog barked at you. What is the fair conclusion? (a) dogs hate you (b) never see dogs (c) all dogs are mean (d) that one dog barked
20. 20.🧩 Enough evidence or not? “It rained on my birthday once, so it always rains on birthdays.” (a) not enough evidence (b) enough evidence
21. 21.🧩 Vihaan is 9 years old. Arjun is older than Vihaan. How old is Arjun? (a) 10 (b) 14 (c) not enough info (d) 11
22. 22.🧩 Before solving a word problem, first check… (a) the colour of ink (b) what facts are given (c) the page number (d) your handwriting
23. 23.True or false: “One student said the canteen food was cold, so it is always cold.” gives enough evidence. (a) False (b) True
24. 24.🧩 A box of mangoes has 4 in each row. How many mangoes are in the box? (a) 8 (b) 4 (c) 40 (d) not enough info
25. 25.🧩 Kabir is 10 years old. Tara is older than Kabir. How old is Tara? (a) 12 (b) not enough info (c) 15 (d) 11
26. 26.True or false: “We measured the plant every day for a month; it grew 9 cm.” does not give enough evidence. (a) True (b) False
27. 27.📝 What does “evidence” mean? (a) a rumour (b) a guess (c) facts that support it (d) a loud opinion
28. 28.🧩 The film starts at 6 PM. It is a long film. When does it end? (a) 9 PM (b) 8 PM (c) 7 PM (d) not enough info
29. 29.True or false: “We tried the new route for 10 days, and it was faster every day.” does not give enough evidence. (a) False (b) True
30. 30.🧩 Enough evidence or not? “We measured the plant every day for a month; it grew 9 cm.” (a) enough evidence (b) not enough evidence
31. 31.🧩 Enough evidence or not? “We tested 20 seeds, and 18 of them sprouted.” (a) not enough evidence (b) enough evidence
32. 32.🧩 Tara bought 5 mangoes and a lunch box for ₹330 in all. Each mango cost the same. What did one mango cost? (a) ₹325 (b) ₹66 (c) not enough info (d) ₹330
33. 33.🧩 A box of eggs has 4 in each row. How many eggs are in the box? (a) 40 (b) 4 (c) not enough info (d) 8
34. 34.True or false: “It rained on my birthday once, so it always rains on birthdays.” gives enough evidence. (a) False (b) True
35. 35.🧩 A box of guavas has 4 in each row. How many guavas are in the box? (a) 8 (b) not enough info (c) 40 (d) 4
36. 36.🧩 A box has 8 rows of eggs, with 9 in each row. How many eggs are in the box? (a) 81 (b) 17 (c) not enough info (d) 72
37. 37.🧩 Enough evidence or not? “A dog barked at me once, so all dogs are mean.” (a) not enough evidence (b) enough evidence
38. 38.🧩 Rohan bought 4 pens for ₹60 in all. Each pen cost the same. What did one pen cost? (a) not enough info (b) ₹15 (c) ₹20 (d) ₹60
39. 39.🧩 Rohan is 7 years old. Ishaan is older than Rohan. How old is Ishaan? (a) 9 (b) 8 (c) 12 (d) not enough info
40. 40.🧩 Enough evidence or not? “One student said the canteen food was cold, so it is always cold.” (a) enough evidence (b) not enough evidence

Free critical thinking lessons, practice and worksheets at talentjr.in/critical-thinking-for-kids