Your child asks why the sky is blue. They notice the moon looks bigger tonight than it did last week. They want to know if the dog is sad, or just tired, or hungry, or maybe all three. Those moments are critical thinking starting to happen, and they're worth paying attention to.

Guidance from Brookings (January 2026) shows that kids who lean on AI tools to do their thinking for them weaken the underlying skill faster than kids who practice it. The instinct to ask, to compare, to notice when something doesn't add up has to be built deliberately. The good news: you don't need a curriculum. Ten short activities, the kind you can fit into a Tuesday morning, are enough.

This article gives you those ten. They're grouped around the three things critical thinking actually is at this age: reasoning (drawing conclusions from what you see), questioning (asking the kind of questions that lead somewhere), and evaluating (weighing options before deciding). Each comes with prompts to draw the thinking out, plus what to listen for so you know it's working.

What critical thinking actually is (and how it differs from problem-solving)

A quick clarification first, because these two terms get tangled up everywhere, and the difference shapes how you teach them.

Critical thinking is the broader skill. It's the noticing, asking, comparing, evaluating, and reasoning a child does before deciding what to do or believe.

Problem-solving is one application of it. It's what happens when your child uses those skills to fix something specific.

Here's the difference in one scene. Your child sees two cookies on a plate, compares the sizes, and asks "which one is bigger?" That's critical thinking, the noticing-and-comparing part. Then they notice one cookie is broken in half and ask "how do I get the pieces together?" That's problem-solving: the reasoning, put to work.

Most kids do both at once. But it helps to know which one is showing up, because the activities for each differ slightly. For the full step-by-step framework for teaching critical thinking, see Article 1. This article is about the activities you can do today.

4 activities that build reasoning

Reasoning is drawing a conclusion from evidence. It's the foundation of every other critical thinking skill, and the easiest to practice in everyday moments.

1. The Cause-and-Effect Hunt

What you need: nothing.

How to do it:

  1. Walk through your house or yard with your child.
  2. Take turns finding three things that happened because of something else: the wet floor by the door (someone tracked in rain), the book on the shelf (somebody put it there), the light on in the kitchen (somebody flipped the switch).
  3. For each one, ask: "How do you know?"

What your child is learning: that the world has reasons behind it, and those reasons can be worked out from clues.

What to listen for: "because" sentences. The first time your child volunteers a "because" about something you didn't prompt, you've watched the skill click into place.

2. What's Missing

What you need: any picture book, or a real-world scene.

How to do it:

  1. Look at a picture or a scene together for thirty seconds.
  2. Cover it, or turn around, and change or remove one thing.
  3. Ask your child to figure out what's different.

What your child is learning: that paying close attention is its own skill, and that noticing what's not there is sometimes more useful than noticing what is.

Parent prompt: if they're stuck, say "what was here before?" rather than "look harder." It points their attention at memory instead of searching.

3. The Two-Truth Comparison

What you need: two similar things. Two glasses of water (one with sugar dissolved in it, one plain). Two apples (one slightly riper). Two leaves from the same kind of tree.

How to do it:

  1. Show your child the two things and tell them they differ in one way.
  2. Let them investigate: touch, look, smell. Don't let them taste anything they shouldn't, but otherwise let them lead.
  3. Ask: "Which one is different, and how do you know?"

What your child is learning: that real conclusions come from real evidence, and you find the answer by checking, not guessing.

What to listen for: them naming their evidence. "This one is heavier" or "this one smells sweet" is the move.

4. Predicting the Next Page

What you need: a picture book your child hasn't read recently.

How to do it:

  1. Read together. Stop where something is about to happen.
  2. Before turning the page, ask: "What do you think happens next? Why?"
  3. Turn the page and compare what happened to what they predicted.

What your child is learning: that good predictions come from clues you've already seen, not from guessing.

Parent prompt: if the prediction is wrong, don't correct it. Ask "what do you think the character was thinking that made them do that?" Their wrong predictions are often more revealing than the right ones.

4 activities that build questioning

Questioning is the highest-leverage critical thinking habit a parent can model and a child can practice. Most adults stop asking questions somewhere around age twelve, so keeping that muscle alive is one of the best things you can do.

5. The 5-Why Game

What you need: nothing, and patience.

How to do it:

  1. Your child asks "why?" about something. You answer.
  2. They ask "why?" again. Answer again.
  3. After two answers, turn it around: "Why do you think?"
  4. Then keep going, alternating between answering and asking it back.

What your child is learning: that questions can keep going, and that the third or fourth "why" usually lands somewhere more interesting than the first.

What to listen for: the moment their answer to your "what do you think?" goes somewhere you didn't expect. That's the muscle working.

6. Quiet Questions

What you need: something to watch. A bug crossing the floor. Pigeons in the park. A cloud changing shape.

How to do it:

  1. Watch together for one minute. No talking.
  2. Then take turns asking three questions about what you saw. Don't answer them yet.
  3. Talk about which question you'd most like to find the answer to.

What your child is learning: that observation comes before questions, questions come before answers, and not all questions are equally interesting.

Parent prompt: if your child only comes up with "yes or no" questions, model an open-ended one yourself ("I wonder why that bug keeps stopping?") and let them try again.

7. Story Hijack

What you need: any story your child knows well.

How to do it:

  1. Read or tell the story together. Stop at a moment of choice.
  2. Ask: "What if the character did the opposite of what they actually did?"
  3. Let your child take the story from there.

What your child is learning: that stories are made of choices, and that asking "what if?" is the same muscle they'll use to imagine futures, plan ahead, and see another person's side.

Parent prompt: if they're stuck, give them two opposites to pick from. "What if Goldilocks went home instead of going into the house? Or what if she left a note?"

8. Compare Two Things

What you need: any two objects from your kitchen.

How to do it:

  1. Pick two things. A spoon and a fork. An apple and a banana. A mug and a bowl.
  2. Ask: "How are they the same? How are they different?"
  3. See how many ways they can find for each.

What your child is learning: that comparison is a kind of thinking, and that two things can be alike in some ways and different in others at the same time.

What to listen for: answers that go past the obvious. "They both have handles" is fine. "They both help you eat soup" is more interesting, because it's about function rather than appearance.

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Nurture turns skills like these into short, story-led adventures your child actually wants to play. Real choices, real consequences, no ads, no pressure, built for ages 4–7 and made for playing together.

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2 activities that build evaluation

Evaluation is the hardest of the three for ages 4–7. It means holding two options in mind, weighing them, and deciding. Most kids start managing it around age five and get noticeably better by seven.

9. Pick One

What you need: any two options you'd normally choose between for them.

How to do it:

  1. Instead of picking, hand them the choice. "Book A or Book B for bedtime?" "Bath now or bath after dinner?"
  2. After they choose, ask: "Why that one?"
  3. Take the answer seriously, even if it's "because I like the cover."

What your child is learning: that decisions are made of reasons, and that they're allowed to have reasons.

Parent prompt: when they say "I don't know why," try "what would make you change your mind?" It's sometimes easier to answer than "why?"

10. The Better Idea Game

What you need: nothing.

How to do it:

  1. Propose a slightly silly plan with a straight face. "Let's eat dinner on the roof. Or in the bathtub. Or under the kitchen table."
  2. Ask your child why a different plan would be better.
  3. Listen to their reasoning.

What your child is learning: that even a grown-up's idea is allowed to be questioned, and that better ideas come from comparing options, not just rejecting the first one.

What to listen for: specific reasons. "Because we'll get cold" is a real reason. "Because that's silly" is the start of one; push past it with "what would make it silly?"

How to adjust by age

The same activity works differently for a four-year-old and a seven-year-old. A few quick adjustments:

Age 4: ask one question, accept a one-word answer, and celebrate the asking more than the answer. The point is the practice, not the polish.

Age 5: add a follow-up. "Why do you think?" is the most useful follow-up question in the English language for a five-year-old.

Age 6: invite them to invent their own version of the activity. "Can you think of another way we could play the 5-Why Game?"

Age 7: invite them to teach the activity to a younger sibling or a friend. Teaching is how seven-year-olds consolidate what they've learned.

Where digital play fits

Off-screen and on-screen practice reinforce each other when the screen activity is well-designed. Critical thinking on a screen looks like this: decision points instead of cutscenes, no time pressure, story-led rather than reward-led, and consequences that matter to the story instead of points that vanish.

If you want a starting point, our Hino Tari Havoc! adventure drops your child into a story where every choice matters. They weigh the situation, choose what True and Bartleby do next, and live with the result. It's the same skill these activities build, stretched over a longer arc.

For a fuller list of critical-thinking games that fit this description, see Article A — Critical Thinking Games for Kids.

FAQ

What's the difference between critical thinking and problem-solving?

Critical thinking is the broader skill: noticing, asking, comparing, evaluating, and reasoning before deciding. Problem-solving is one application of critical thinking, what happens when those skills are used to fix something specific. Your child uses critical thinking when they ask why a friend is sad; they use problem-solving when they figure out what to do about it. For the full guide to teaching critical thinking, see Article 1.

What age should I start critical thinking activities?

Critical thinking starts as soon as your child starts asking "why." For most kids, that's around age two. The activities in this article are built for ages 4–7, when kids can hold a question in mind long enough to think about the answer. Younger kids practice the same skills in shorter, more spontaneous moments.

Are critical thinking questions the same as open-ended questions?

They overlap but aren't identical. Open-ended questions are any questions that can't be answered with yes or no. Critical thinking questions are a subset: the ones that ask your child to reason, compare, predict, or evaluate. "What's your favorite color?" is open-ended but doesn't require critical thinking. "Why do you think that's your favorite color?" does.

Can screens help build critical thinking?

Yes, when the screen activity is well-designed. The best critical thinking games for ages 4–7 share four features: decision points instead of cutscenes, no time pressure, story-led rather than reward-led, and consequences that matter. The worst design is the opposite: infinite scroll, instant rewards, no choices. For a longer list of games that meet the better-design criteria, see Article A — Critical Thinking Games for Kids.

What if my child won't engage with these activities?

Two things help. First, do the activity yourself, out loud, without asking your child to participate. Most kids start joining in within about ninety seconds because the parent looks like they're having more fun than expected. Second, pick a worse moment. Critical thinking activities don't work when your child is hungry, tired, or wound up. They work in the small calm moments: in the car, while waiting for food, in the bath. If an activity falls flat once, try it a different day. The skill is too important to give up on because of a bad moment.

Practice critical thinking with your child

Nurture's Hino Tari Havoc! adventure drops your child into a story where every choice matters. They weigh the situation, choose what True and Bartleby do next, and live with the result. The same critical thinking these activities build, stretched over a longer arc.

Try Nurture for Free

Eddie Casado Eddie Casado

About the Author

Eddie Casado is Growth Lead at Nurture, where he builds data-driven growth strategies, scales engagement, and experiments to fuel sustainable acquisition and retention. Passionate about bridging tech and human intuition.