2D shapes are flat shapes. Some 2D shapes are circles, triangles, squares, rectangles, and hexagons. 2D shapes usually have sides and corners.
To better understand 2D shapes…
LET’S BREAK IT DOWN!
What is a circle?
A circle is a round shape with no sides and no corners. A circle looks like the top of a pancake. If you change the size or color of a circle it is still a circle. It has no sides and no corners.
What is a triangle?
A shape with 3 straight sides is called a triangle. Any shape that has three straight sides is a triangle. You can turn the shape or change its size and it is still a triangle!
What is a rectangle?
A rectangle has 4 sides and 4 square corners. A corner is where 2 sides meet. A square corner looks like the corner in a capital letter L. A rectangle has 2 pairs of sides that are the same length.
A square is a special rectangle.
A square also has 4 sides and 4 square corners. A square is a rectangle where all of the sides are the same length.
What is a hexagon?
There is a shape in a honeycomb. Count the sides: 1, 2, 3, 4, 5, 6. The shape has 6 sides. A shape with 6 sides is called a hexagon.