Intro to 2D Shapes Math Video for Kids - Grades K-2
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WHAT ARE 2D SHAPES?

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…

WHAT ARE 2D SHAPES?. 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 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 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.

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.

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.

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.

## INTRO TO 2D SHAPES VOCABULARY

Circle
A round shape with no sides or corners.
Round
Shaped like a circle.
Side
A straight line on the outside of a shape.
Corner
Where two sides meet.
Triangle
A shape with three sides.
Rectangle
A shape with four sides and four square corners.
A special type of corner. It is the type of corner in a square or rectangle. When two sides are going in the exact opposite direction (such as one going up and down and the other going side to side), the corner they meet at is called a square corner.
A special type of rectangle. It has four sides and four square corners. All of the sides are the same length.
A shape with six sides.

## INTRO TO 2D SHAPES DISCUSSION QUESTIONS

A square.

a rectangle.

### If you make a circle bigger or smaller, is it still a circle? How do you know?

Yes. It still has no sides and no corners, so it is still a circle.

### If you turn a rectangle, is it still a rectangle? How do you know?

Yes. It still has four sides and four square corners, so it is still a rectangle.

### How do you know if a shape is a hexagon?

A shape is a hexagon if it has six sides.
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