Understanding Your Child's Sense of Justice: A Gentle Guide for Ages 5-6

Understanding Your Child's Sense of Justice: A Gentle Guide for Ages 5-6

Struggles with Understanding Justice and Fairness: My child doesn't understand why fairness and justice matter.

Nov 16, 2025 • By Inara • 15 min read

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Understanding Your Child's Sense of Justice: A Gentle Guide for Ages 5-6
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Hello, wonderful parent! It's me, Inara, and I want to talk with you about something I've been hearing from so many parents lately. Your five or six year old has suddenly become the fairness police. They notice EVERY tiny injustice. They keep score of who got more grapes at snack time. They question why some rules apply to them but not to their younger sibling. They seem to be in a constant state of monitoring the world for unfairness, and honestly? It can feel exhausting.

But here's what the Magic Book wants you to know, and this is SO important. You're not dealing with a problem. You're witnessing something absolutely beautiful. Your child's moral compass is coming to life. Their sense of justice is blooming. And this phase, as tiring as it might feel, is actually a sign that your child is developing EXACTLY as they should.

In this guide, we're going to explore what's really happening in your child's developing brain, what research tells us about moral development at this age, and most importantly, how you can support this beautiful growth with patience, wisdom, and yes, a little help from some magical stories.

What's Really Happening: The Developmental Magic of Ages 5-6

When your child turns five or six, something remarkable begins to happen in their brain. They're moving beyond the simple, concrete thinking of early childhood into something much more sophisticated. They're starting to understand that fairness isn't just about everyone getting the same thing. They're beginning to grasp that justice means considering context, needs, and circumstances.

Think about it this way. When your child was three, fairness meant everyone gets two cookies. Simple. Equal. Done. But now? Now your five or six year old is starting to understand that maybe the person who worked harder deserves more. Or that the person who's hungry needs more. Or that sometimes, treating people fairly means treating them DIFFERENTLY based on their needs.

This is HUGE developmental work. Your child is learning to balance multiple concerns at once. They're developing the ability to think about equality, yes, but also about equity, merit, need, and context. Their brain is building the neural pathways that will help them navigate the complex social world for the rest of their life.

Why the Constant "That's Not Fair" Complaints?

Here's what's happening. Your child's ability to NOTICE unfairness is developing faster than their ability to UNDERSTAND the nuances of fairness. They can see when things aren't equal, but they're still learning when inequality might actually be fair. They're like little scientists, constantly testing their theories about how the world should work.

Every time they say "that's not fair," they're actually asking you a question. They're saying, "Help me understand. Why is this happening? What are the rules? How does justice work?" They're not trying to drive you up the wall, even though it might feel that way sometimes. They're trying to build their understanding of right and wrong.

What Research Tells Us About Moral Development

The Magic Book and I have been studying the research on moral development, and what we've learned is absolutely fascinating. Dr. Melanie Killen, a leading researcher at the University of Maryland, has spent decades studying how children develop their sense of justice. And her findings are SO encouraging for parents like you.

Starting around age five to six, children begin to understand fairness expectations in sophisticated ways. They can recognize when someone is being treated unjustly. They can defend others they perceive as being treated unfairly. And they're actively constructing their understanding of right and wrong through every interaction they have.

— Dr. Melanie Killen, University of Maryland

Dr. Killen's research shows us that young children naturally enforce social norms. They understand when a person is entitled to do something. They recognize the costs of challenging group norms. And they develop more sophisticated reasoning about fairness from early childhood all the way through adolescence.

Another researcher, Dr. Michael T. Rizzo, has found that children at ages five and six show remarkable ability to coordinate their judgments, their reasoning, and their actions around fairness concepts. Your child isn't just THINKING about fairness. They're FEELING it deeply. They're trying to ACT on it. And that's extraordinary.

The research also tells us something else that's beautiful. By ages five to six, children begin to rectify inequalities. They start to judge equitable allocations as fair. They develop the ability to simultaneously weigh concerns for equality AND equity. This is the age when children are most receptive to learning about justice concepts through stories, real-world examples, and gentle guidance that validates their emerging sense of right and wrong.

How to Support Your Child's Developing Moral Compass

So what can you do to support this beautiful development? How can you respond to the constant fairness monitoring in a way that nurtures your child's moral reasoning without losing your mind? Here are some gentle strategies that actually work.

1. Acknowledge Their Growing Awareness

When your child says "that's not fair," your first instinct might be to dismiss it or explain why they're wrong. But here's what works better. Acknowledge what they're noticing. You might say, "You're noticing fairness, and that's so important. Tell me what you're thinking."

This simple validation does something magical. It tells your child that their moral reasoning matters. It invites them to explain their thinking, which helps them develop more sophisticated reasoning skills. And it opens up a conversation instead of shutting it down.

2. Help Them Understand That Fair Doesn't Always Mean Equal

This is one of the most important lessons you can teach. Fair doesn't always mean the same. Sometimes fair means giving people what they need. You can use concrete examples your child can understand.

Try saying something like, "If one child needs glasses and another doesn't, is it unfair that only one gets glasses? No, because fair means everyone gets what they need to see clearly." Or, "I'm giving your little sister more help with this because she's still learning. When she's your age, she'll be able to do it herself, just like you can. That's fair because everyone gets the help they need."

These conversations help your child develop more nuanced moral reasoning. They learn that fairness requires thinking, empathy, and understanding context.

3. Model Equitable Thinking in Your Own Decisions

Children learn more from what we DO than what we SAY. When you're making decisions about chores, treats, bedtime, or attention, explain your reasoning out loud. Let your child hear you thinking through fairness.

You might say, "You're getting to stay up later because your body needs less sleep now that you're older. When your sister is six, she'll get to stay up later too." Or, "I'm spending more time helping your brother with homework because he's learning something new. When you were learning to read, I spent extra time with you too."

This helps your child see that fairness considers individual needs, developmental stages, and circumstances. It's not about keeping score. It's about making sure everyone gets what they need.

4. Discuss Real-World Examples of Justice and Fairness

The world is full of teaching moments. When you see someone helping another person, point it out. "Look at that. That person noticed someone needed help, and they chose to be fair by offering assistance. That's what justice looks like."

When you see unfairness in the world, you can talk about it in age-appropriate ways. "That doesn't seem fair, does it? What do you think would be more fair?" These conversations help your child apply their moral reasoning to real situations.

5. Respond with Curiosity Instead of Defensiveness

When your child questions your decisions or points out perceived unfairness, it can feel like they're challenging your authority. But try to see it differently. They're inviting you to teach them about justice.

Instead of getting defensive, get curious. "Tell me more about what you're noticing. Help me understand why that feels unfair to you." This approach validates their moral reasoning while giving you a chance to explain your thinking. And it models the kind of thoughtful, empathetic approach to justice that you want them to develop.

Stories That Teach Fairness and Justice

Here's something beautiful that the Magic Book has taught me. Stories are one of the most powerful ways children learn about fairness and justice. When children see characters navigating moral dilemmas, making choices about treating others fairly, and learning about respect and empathy, they're building their own moral compass.

In The Book of Inara, we have a story that I think will resonate deeply with what your child is learning right now:

The Candy Castle of Kind Asking

Perfect for: Ages 4-5 (and wonderful for 5-6 year olds too!)

What makes it special: This story teaches foundational concepts of fairness through the lens of consent and respect for others. Two friends, Kenji and Maeva, discover a magical castle where consent crystals glow when children ask permission before touching or hugging. The crystals sparkle more brightly when they ask permission, teaching that treating others fairly means respecting their choices and boundaries.

Key lesson: At the heart of justice is this idea: everyone has rights, everyone deserves respect, and everyone's choices matter. The story shows that both yes and no are equally important and beautiful choices. This teaches children that fairness isn't about getting what you want—it's about respecting what others want too.

How to use it: After reading this story with your child, you can help them connect it to broader fairness concepts. You might say, "Just like Kenji and Maeva learned to ask before touching things in the castle, fairness means respecting what belongs to others and what they want. When we treat people fairly, we make the world more beautiful, just like those glowing crystals."

Explore This Story in The Book of Inara

You're Doing Beautifully

Here's what I want you to remember, wonderful parent. Your child's constant questions about fairness, their keen eye for injustice, their insistence that things be equitable—these aren't annoyances. These are signs of beautiful moral development.

Your child is learning to care about others. To notice when things aren't right. To stand up for what's fair. These are the building blocks of empathy, of compassion, of being a person who makes the world more just. And you're guiding them through this with patience and wisdom.

Yes, this phase can be exhausting. Yes, the constant fairness monitoring can feel overwhelming. But it's temporary. And it's SO important. Your child's moral compass is calibrating. Their sense of justice is developing. And every conversation you have about fairness is shaping how they'll think about justice for the rest of their life.

The Magic Book and I believe in you. You're doing such important work. Your child is lucky to have you. And remember, we're always here with stories that help, with wisdom that supports, with love that never wavers.

Until our next adventure together, sweet dreams and starlight.

With love,
Inara

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Show transcript

Hello, wonderful parent! It's me, Inara, and I am so grateful you're here today. You know, the Magic Book and I have been hearing something from parents lately, and I want you to know you're not alone in this. Many parents are wondering why their five or six year old suddenly seems obsessed with fairness. Why everything has to be equal. Why they notice every tiny injustice, real or imagined. And I want to tell you something WONDERFUL. This isn't a problem. This is your child's beautiful, developing moral compass coming to life.

Let me share what the Magic Book has taught me about this magical phase of development. When your child is five or six years old, something remarkable is happening in their brain. They're moving beyond simple rules like everyone gets the same, and they're starting to understand something much deeper. They're beginning to grasp that fairness isn't always about equality. That sometimes, treating people justly means considering their needs, their circumstances, their feelings.

Research from developmental psychologists shows us that children at this age are in a critical window for moral reasoning. Dr. Melanie Killen, a leading researcher at the University of Maryland, has spent decades studying how children develop their sense of justice. And here's what she's discovered. Starting around age five to six, children begin to understand fairness expectations in sophisticated ways. They can recognize when someone is being treated unjustly. They can defend others they perceive as being treated unfairly. And they're actively constructing their understanding of right and wrong through every interaction they have.

Your child isn't being difficult when they point out that something isn't fair. They're showing you that their moral reasoning is developing beautifully. They're learning to balance multiple concerns. To think about equality, yes, but also about need, about merit, about context. This is HUGE developmental work, and it's happening right now in your child's growing brain.

Now, I know this phase can feel exhausting. When every single thing becomes a negotiation about fairness. When your child notices that their sibling got one more grape. When they question why some rules apply to them but not to others. When they seem to be keeping score of every perceived injustice. I see you, dear parent. This is real, and it can be tiring.

But here's what the Magic Book wants you to know. This is temporary, it's normal, and it's actually a sign that your child is developing exactly as they should. Their brain is learning to navigate the complex social world. They're figuring out how to balance their own needs with others' needs. They're discovering that the world isn't always simple, that fairness requires thinking and empathy and understanding.

So what can you do to support this beautiful development? First, acknowledge their growing awareness. When your child says that's not fair, instead of dismissing it, you can say, you're noticing fairness, and that's so important. Tell me what you're thinking. This validates their moral reasoning and invites them to explain their thinking.

Second, help them understand that fairness isn't always about sameness. You can say things like, fair doesn't always mean equal. Sometimes fair means giving people what they need. If one child needs glasses and another doesn't, is it unfair that only one gets glasses? No, because fair means everyone gets what they need to see clearly. These conversations help your child develop more sophisticated moral reasoning.

Third, model equitable thinking in your own decisions. When you're dividing up chores or treats or attention, explain your reasoning. I'm giving your little sister more help with this because she's still learning. When she's your age, she'll be able to do it herself, just like you can. Or, you're getting to stay up later because your body needs less sleep now that you're older. When your sister is six, she'll get to stay up later too. This helps them see that fairness considers context and individual needs.

Fourth, discuss real-world examples of justice and fairness. When you see someone helping another person, you can say, look at that. That person noticed someone needed help, and they chose to be fair by offering assistance. That's what justice looks like. These everyday moments are teaching opportunities.

And here's something beautiful. Stories are one of the most powerful ways children learn about fairness and justice. The Magic Book and I have a story I want to tell you about. It's called The Candy Castle of Kind Asking, and it's about two friends, Kenji and Maeva, who discover a magical castle where consent crystals glow when children ask permission before touching or hugging.

Now, you might wonder, what does asking permission have to do with justice? Everything, my friend. Because at the heart of justice is this idea. Everyone has rights. Everyone deserves respect. Everyone's choices matter. When Kenji and Maeva learn that the crystals sparkle more brightly when they ask permission, they're learning that treating others fairly means respecting their boundaries, their choices, their autonomy.

The story shows that both yes and no are equally important and beautiful choices. This teaches children that fairness isn't about getting what you want. It's about respecting what others want too. It's about recognizing that other people have feelings and preferences that matter just as much as yours do.

After you read this story with your child, you can help them connect it to broader fairness concepts. You might say, just like Kenji and Maeva learned to ask before touching things in the castle, fairness means respecting what belongs to others and what they want. When we treat people fairly, we make the world more beautiful, just like those glowing crystals.

You can find The Candy Castle of Kind Asking in The Book of Inara app, and I think you and your child will love exploring it together. It's a gentle, magical way to talk about respect, consent, and the foundations of justice.

Here's what I want you to remember, wonderful parent. Your child's constant questions about fairness, their keen eye for injustice, their insistence that things be equitable. These aren't annoyances. These are signs of beautiful moral development. Your child is learning to care about others. To notice when things aren't right. To stand up for what's fair. These are the building blocks of empathy, of compassion, of being a person who makes the world more just.

Dr. Michael Rizzo, another researcher in moral development, has found that children at this age show remarkable ability to coordinate their judgments, their reasoning, and their actions around fairness concepts. Your child isn't just thinking about fairness. They're feeling it deeply. They're trying to act on it. And that's extraordinary.

So when your child comes to you with their next fairness complaint, take a breath. Remember that this is their moral compass calibrating. And respond with curiosity and validation. Tell me more about what you're noticing. Help me understand why that feels unfair to you. These conversations are shaping how your child will think about justice for the rest of their life.

The Magic Book and I believe in you, dear parent. You're doing such important work, guiding your child through this phase with patience and wisdom. Your child is lucky to have you. And remember, we're always here with stories that help, with wisdom that supports, with love that never wavers.

Until our next adventure together, sweet dreams and starlight. With love, Inara.