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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 9

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 — Theo, Nia, and Rex — each picked a different game: checkers, a puzzle, and cards.
• Theo picked checkers.
• Nia did not pick checkers or the puzzle.
• What item does each person have?

Person	Item
Theo
Nia
Rex

2 True, False, or Not Enough Info?

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

Read this: "Carlos has 5 classmates in his study group. He is 10 years old and loves science experiments."

Statement	T / F / N
Carlos is part of a study group.
All of Carlos's classmates like science.
Carlos's study group has more than 4 classmates.
Carlos dislikes experiments.
Carlos's study group has exactly 5 classmates.

3 Order from Clues

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

Puzzle: Put these in order from nearest to farthest: kitchen, backyard, school, another state.
• Another state is the farthest away.
• The kitchen is the nearest.
• The backyard is closer than the school.

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 squares have four equal sides. This shape is a square.
Every hiker on the trail carries water. Sam is a hiker on the trail.
Ripe strawberries are red. This strawberry is ripe.

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 9.

Riddle: What has a neck but no head?

Explain how you knew.