Critical thinking activities help children move beyond memorizing facts and instead learn how to analyze, question, and solve problems with confidence. Whether you’re a teacher planning lessons or a parent supporting learning at home, these activities create meaningful opportunities for deeper thinking. By encouraging discussion, reflection, and evidence-based reasoning, you help children develop skills they will use far beyond the classroom. The ideas below are practical, engaging, and easy to adapt for different ages and subjects.
What is critical thinking?

Critical thinking is the ability to analyze information carefully, ask meaningful questions, and make decisions based on evidence rather than assumptions. It goes beyond memorizing facts. When children think critically, they consider different viewpoints, evaluate arguments, and explain their reasoning clearly before reaching a conclusion.
Developing critical thinking skills helps children:
- Become more independent and confident learners
- Question information instead of accepting it blindly
- Identify bias and weak arguments
- Solve problems using logic and evidence
- Make thoughtful decisions in school and everyday life
The critical thinking activities below are designed to strengthen these abilities step by step. Through discussion, problem-solving, and reflection, children learn how to think more deeply and clearly in both classroom and real-world situations.
20+ critical thinking activities
1. Mystery bag inference

The Mystery Bag inference activity encourages students to use their observation, questioning, and logical reasoning. Place an unknown object inside a bag and allow children to ask yes-or-no questions before making a final guess. You can limit the number of questions to increase the challenge. Encourage them to explain why they think their guess is correct by referencing clues gathered during questioning.
2. Claim, Evidence, Reasoning (CER)

CER helps children organize their thinking in a clear and structured way. Present a question or problem, then guide students to make a claim, support it with evidence, and explain their reasoning. Model an example first so they understand how evidence connects to the claim. This strategy works well in science, reading comprehension, and even social studies discussions. Over time, students learn to support opinions with evidence rather than relying on guesswork.
3. Debate circles
Debate circles create a safe place for respectful disagreement and thoughtful discussion. Divide students into small groups and assign positions on a topic. Give them time to prepare arguments before speaking. Encourage active listening and require students to respond directly to someone else’s point. The goal isn’t to “win,” but to practice analyzing different perspectives and defending ideas logically.
4. Problem-solving scenarios
Present real-life situations, such as reducing classroom waste or helping a struggling team member, and ask students to brainstorm solutions. Encourage them to evaluate each solution by discussing possible consequences. Ask questions like, “What might happen next?” or “Who would this affect?” This activity strengthens decision-making skills and helps children see the real-world impact of their choices.
5. What’s missing?

In this activity, students are given a story, a math problem, or a scenario that intentionally leaves out key information. Instead of immediately solving the task, they must pause and identify what details are missing and why those details matter. Encourage students to explain how the missing information affects their ability to make a conclusion. This approach trains them to slow down, read carefully, and recognize that strong reasoning depends on complete and accurate data.
6. Perspective swap
Perspective swap invites students to revisit a story, event, or issue from a completely different point of view. After reading a text or discussing a situation, ask students to rewrite or retell it from another character’s perspective. Guide them to think about emotions, motivations, and personal experiences that might shape that viewpoint. This activity strengthens empathy while encouraging students to analyze how perspective influences interpretation.
7. Fact vs. opinion sort

This activity helps students develop discernment in an age of overwhelming information. Provide a mix of factual statements and opinions, then ask students to categorize them while explaining their reasoning. Encourage discussion when disagreements arise, as this deepens understanding. You can extend the activity by asking students to transform opinions into evidence-based claims, reinforcing the importance of supporting ideas with proof.
8. Design a solution
This activity challenges students to identify a real-world problem in their classroom, school, or community and propose a thoughtful fix. Instead of jumping straight to ideas, guide them to analyze the root cause of the problem first. Students can sketch designs, outline action steps, or present proposals. This activity combines creativity with structured thinking and helps children see how analytical skills translate into practical solutions.
9. Ranking challenge
Provide a list of options, such as survival items, leadership qualities, or environmental solutions, and ask students to rank them from most to least important. What makes this activity powerful is not the ranking itself but the justification behind it. Encourage students to defend their choices using clear reasoning and examples. Through discussion, they learn that priorities can differ depending on the criteria and context.
10. Cause and effect chains

This activity helps students see the bigger picture by mapping how one event leads to another. Whether exploring historical events, scientific processes, or social situations, ask students to create a visual chain that explains how outcomes unfold over time. Prompt them to consider indirect effects as well, which encourages deeper analysis and prevents oversimplified conclusions.
11. Question the author
Rather than simply answering comprehension questions, students take on a more investigative role by questioning the author’s purpose, tone, and assumptions. After reading a passage, ask them what the author wants the reader to believe and what evidence supports that message. This strategy encourages active reading and strengthens analytical thinking by moving beyond surface-level understanding.
12. Crossword puzzles

Puzzles are a powerful way to strengthen reasoning and problem-solving skills. Include brainteasers, pattern challenges, and especially crossword puzzles that require students to analyze clues carefully before completing the grid. Ask them to explain how they interpreted each clue and why a word fits logically. By prioritizing reasoning over speed, students strengthen analytical habits and learn to approach challenges with patience and strategy.
You can use a Crossword Puzzle Maker to quickly create customized crossword activities to git your lesson goals.
13. Compare and contrast

When students compare and contrast two ideas, texts, or concepts, they begin to notice patterns and deeper relationships. Encourage them to move beyond obvious similarities and differences by analyzing themes, structure, or purpose. Graphic organizers such as Venn diagrams can help organize thoughts, but meaningful discussion about why differences exist is what truly strengthens critical thinking.
14. Ethical dilemmas
Ethical dilemmas present students with situations where there is no easy answer. After introducing a scenario, invite students to discuss possible choices and their consequences. Encourage them to consider multiple viewpoints and justify their decisions thoughtfully. This activity develops moral reasoning while reinforcing respectful dialogue.
15. Data interpretation

Provide students with charts, graphs, or data tables and ask them to analyze trends, patterns, and possible implications. Instead of simply identifying numbers, prompt them to explain what the data suggests and why it matters. By connecting evidence to conclusions, students practice analytical thinking that mirrors real-world decision-making.
16. Error analysis

In this activity, students examine a solution that contains deliberate mistakes. Rather than passively correcting answers, they must identify where the reasoning went wrong and explain how to fix it. This approach strengthens metacognition because students reflect on thinking processes, not just outcomes. It also reduces fear of mistakes by reframing them as learning opportunities.
17. Socratic seminar

A socratic seminar shifts responsibility for discussion from the teacher to the students. After reading a shared text or exploring a topic, students engage in a structured dialogue guided by open-ended questions. As a facilitator, your role is to encourage deeper probing and ensure respectful participation. This format promotes thoughtful listening, evidence-based responses, and collaborative reasoning.
18. If-then predictions
Present students with hypothetical changes and ask them to predict outcomes using “If … then …” reasoning. Encourage them to explore multiple possibilities rather than settling on one answer. This exercise strengthens foresight and helps students understand how small changes can influence larger systems.
19. Reverse thinking

Reserve thinking invites students to approach problems from an unconventional angle. Instead of asking how to solve an issue, challenge them to think about how the problem might worsen. Once they generate these ideas, guide them to reverse the logic into constructive solutions. This method promotes flexible thinking and reveals insights that traditional brainstorming may overlook.
20. Assumption detective
Assumption detective activity teaches students to question what is often left unsaid. Present a statement or scenario and ask students to uncover hidden assumptions. Through guided discussion, they evaluate whether those assumptions are supported by evidence or based on bias. This activity builds intellectual curiosity and sharper analytical awareness.
21. Build the strongest argument
Encourage students to defend a position thoroughly, even if it differs from their personal opinion. By researching evidence and constructing logical reasoning, they learn to understand multiple sides of an issue. This activity strengthens persuasive skills while fostering intellectual empathy and open-minded thinking.
22. Spot the bias
In the “Spot the bias” activity, students analyze articles, speeches, or advertisements to identify persuasive techniques and one-sided language. Guide them to examine word choice, tone, and missing perspectives. This activity develops media literacy and helps students become more thoughtful consumers of information.
23. Multiple solutions challenge
Present a complex problem and require students to generate several possible solutions before selecting the most effective one. Encourage them to weigh the advantages and disadvantages of each option. By evaluating alternatives rather than accepting the first idea, students practice flexible and strategic thinking that prepares them for real-world problem-solving.
Final thoughts
Strong thinking skills are not built overnight, but with consistent practice, children can become more confident and thoughtful learners. By regularly using critical thinking activities in your classroom or at home, you create opportunities for deeper discussion, stronger reasoning, and better decision-making. These activities encourage curiosity, reflection, and open-mindedness – skills that benefit students far beyond academic success and prepare them for real-world challenges.
