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Follow the Rule

How can you color these shapes so that shared sides are different colors?

Goal:

Goal:

Let's put four triangles together.

Remember the rule:

Shapes that share a side cannot be the same color.

How can you color this shape so that triangles that share sides are different colors? Trace the sides of each triangle with your finger to help you.

four triangles making a big triangle

Using two colors, you can color this pattern in two different ways. Which one did you think of?

four triangles making a big triangle with a red center four triangles making a big triangle with a white center