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Where is symmetry hiding in Super Mario Maker symmetrical castles?

Design mirrored castles and test whether both sides match.

Quick answer

Symmetry in Super Mario Maker castles means that one side of the castle is a mirror image of the other side. You can find symmetry by drawing a line down the middle and checking if both sides match perfectly.

Learning outcome

By the end of this page, you will be able to find and create symmetrical shapes and patterns in your own Super Mario Maker castle designs. Success signs:
  • You can draw a line of symmetry through a castle and see both sides match.
  • You can spot symmetrical parts in a castle, like towers or bridges.
  • You can build a castle that looks the same on both sides.
  • You can explain what symmetry means in your own words.

Why this matters

Symmetry is all around us, from butterflies to buildings, and even in video games like Super Mario Maker. When you understand symmetry, you can create beautiful, balanced designs. It helps you see patterns, makes your castle look neat and tidy, and is a useful skill in art, design, and even science. It's also fun to find symmetry in your own creations!

How it works

Symmetry happens when you can fold a shape in half and both sides match exactly. In Super Mario Maker, you can make a castle with symmetry by putting the same blocks on both sides of a line down the middle. This line is called the "line of symmetry". To check if something is symmetrical:
  1. Imagine a line down the middle of your castle.
  2. Look at the blocks on one side.
  3. See if the blocks on the other side match exactly.
  4. If they do, your castle is symmetrical!

Examples you can see

Let’s look at a simple example of a symmetrical castle: Example of a symmetrical castle
Left Side Line of Symmetry Right Side
Red block Vertical line Red block
Blue block Vertical line Blue block
Green block Vertical line Green block
In this castle:
  • Red block on the left matches red block on the right.
  • Blue block on the left matches blue block on the right.
  • Green block on the left matches green block on the right.
This is symmetry because both sides are mirror images of each other. Here's another example of a castle with a tower:
  • Left side: Tower with 3 blocks
  • Line of symmetry
  • Right side: Tower with 3 blocks
Each side has the same tower, so it is symmetrical.

Try it as a mini adventure

Adventure: Build a Symmetrical Castle You are a castle designer in Super Mario Maker! Your task is to build a castle that is perfectly symmetrical.
  1. First, choose a line of symmetry down the middle of your castle.
  2. Build a tower on the left side with 2 blocks.
  3. On the right side, build a tower with 2 blocks that matches exactly.
  4. Add a bridge that goes across the middle.
  5. Check if both sides match perfectly.
If your castle is symmetrical, you can say, "My castle is symmetrical because both sides match!" If not, try again!

Common mistakes

  • Mistake: Thinking that a castle with a tower on the left and a bridge on the right is symmetrical.
    Why it happens: Not understanding that symmetry means both sides must match exactly.
    Fix: Draw a line down the middle and check if every block on one side has a matching block on the other side.
  • Mistake: Building a castle that looks the same but isn’t perfectly mirrored.
    Why it happens: Not checking each block carefully.
    Fix: Use a ruler or imagine a line and compare each block one by one.
  • Mistake: Thinking that a castle with 3 blocks on one side and 3 on the other is symmetrical if they are different shapes.
    Why it happens: Confusing matching blocks with matching numbers.
    Fix: Focus on the shape and position of each block, not just the number.

Parent and carer guide

Parents and carers can help by:
  • Encouraging children to talk about symmetry in their castle designs.
  • Using everyday objects to show symmetry, like a butterfly, a leaf, or a face.
  • Building simple symmetrical patterns together, like with LEGO or blocks.
  • Practising by asking questions like, "Can you find the line of symmetry in this castle?"
  • Letting children experiment and make mistakes—symmetry is a skill that improves with practice.
If your child is struggling:
  • Start with simple shapes and patterns.
  • Use a mirror to show how symmetry works.
  • Draw the line of symmetry and have them match the blocks.

Practice questions

  1. Is a castle with 2 red blocks on the left and 2 blue blocks on the right symmetrical? Why or why not?
  2. Can you name 3 things in your home that are symmetrical?
  3. How many blocks do you need on the right side if you have 4 blocks on the left side to make a symmetrical castle?
  4. Draw a line of symmetry through a symmetrical castle with 3 blocks on each side.
  5. Can you make a symmetrical bridge in Super Mario Maker? What would it look like?
Answers:
  1. No, because the blocks are different colours and shapes. Symmetry needs exact matches.
  2. Answers will vary, but could include a butterfly, a door, or a face.
  3. You need 4 blocks on the right side.
  4. Draw a vertical line down the middle of the castle.
  5. Yes! A symmetrical bridge would have the same blocks on both sides, like a bridge with 2 blocks on each side.

FAQ

What is symmetry?

Symmetry means that one side of something is exactly like the other side, like a mirror image.

How do I know if a castle is symmetrical?

You can draw a line down the middle and check if both sides match perfectly.

Can a castle be symmetrical if it has different blocks on each side?

No, for a castle to be symmetrical, the blocks on the left must match the blocks on the right exactly.

Why is symmetry important in Super Mario Maker?

Symmetry makes castles look neat, balanced, and beautiful. It also helps with design and planning.

Can I make a castle with more than one line of symmetry?

Yes! A castle can have more than one line of symmetry, like a square castle with lines down the middle and diagonally.