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In this activity, we will count the number of sides on each shape and answer the questions.
First of all, let's recap on shapes.
A one-sided shape is a circle or an oval:
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Three-sided shapes are triangles:
Four-sided shapes can be a square, rectangle, kite, or rhombus:
Five-sided shapes are called pentagons.
The red pentagon is a regular pentagon, which has sides of all the same length.
The green pentagon is an irregular pentagon as the sides are not all equal in length.
A six-sided shape is called a hexagon.
Finally, an eight-sided shape is called an octagon.
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Example
How many shapes have three sides?
How many shapes have four sides?
How many shapes have more than five sides?
Answer
There is 1 shape above with three sides. This is the last shape - the orange triangle.
There are 0 shapes above with four sides.
There are 2 shapes above with more than five sides. They are the red and the light blue shapes. They both have six sides, so they are hexagons.
Let's have a go at counting sides in the following questions - write your answers as a number.
