Brain teasers come in various shapes and forms, each designed to test our problem-solving skills. Whether it's counting ...

Save guides, add subjects and pick up where you left ... For example, look at these two shapes and count the sides on each. Can you see both shapes have 6 sides, so both shapes are hexagons.

Let’s look at the number of sides and vertices that some 2D shapes have. Here is a triangle. Can you count the number of sides and vertices? A triangle has 3 sides and 3 vertices. Now let’s ...