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Critical Thinking – Logical Reasoning

Critical Thinking · Level 3 · Worksheet 3 of 5 · CCSS: SL.3.3, RI.3.8 · Practice Set 7

Level 3 ⭐⭐⭐

Practice SetsSet 1 Set 2 Set 3 Set 4 Set 5 Set 6 Set 7 Set 8 Set 9 Set 10

1 Use Clues to Solve

🔍 Read the clues carefully. Use logical thinking to find the answer.

Puzzle 1: Three friends — Leo, Grace, and Ben — each picked a different fruit: mango, kiwi, and plum.
• Leo picked the kiwi.
• Ben did not pick the plum.
• What item does each person have?

Person	Item
Leo
Grace
Ben

2 True, False, or Not Enough Info?

🧠 Based on the statement, decide: True (T), False (F), or Not Enough Info (N).

Read this: "Noah has 4 cousins who live nearby. He is 9 years old and loves video games."

Statement	T / F / N
Noah has cousins.
All of Noah's cousins are older than him.
Noah has more than 3 cousins.
Noah dislikes all games.
Noah has exactly 4 cousins nearby.

3 Order from Clues

📊 Use the clues to put items in the correct order.

Puzzle: Put these in order from shortest to longest: paperclip, pencil, ruler, hallway.
• The hallway is the longest.
• The paperclip is the shortest.
• The pencil is shorter than the ruler.

Order (first → last):

1. 2. 3. 4.

4 What Must Be True?

🎯 Read the facts. What MUST be true based on those facts alone?

Facts	What must be true?
All mammals breathe air. A whale is a mammal.
Every runner in the race wears a number. Priya is a runner in the race.
Spoiled milk smells bad. This milk is spoiled.

4 Explain Your Reasoning (SBA Practice)

On the state test, you need to explain HOW you think, not just WHAT you think. Practice explaining your reasoning clearly.

Question: Think about the clues you used above. Which clue was the MOST helpful? Explain why that clue narrowed down the answer more than the others.

My answer:

How I figured it out (explain step by step):

How I know my answer makes sense:

+ Bonus Thinking Practice

Use this quick challenge for Set 7.

Riddle: What has one eye but cannot see?

Explain how you knew.