Common Core Math Vocabulary
2 Dimensional - Definition with Examples
What is a two-dimensional shape?
In geometry, a two-dimensional shape can be defined as a flat plane figure or a shape
that has two dimensions – length and width.
Two-dimensional or 2-D shapes do not have any thickness and can be measured in only two faces.
We can classify figures on the basis of the dimensions they have.
A circle, triangle, square, rectangle and pentagon are examples of two-dimensional shapes.
2-D shapes can be drawn flat on a plane,
Length and width are dimensions that are main!
Let's do it!
Instead of handing out colouring 2D shapes worksheets, show you child pictures of two-dimensional and three- dimensional shapes. Ask them to identify each as two- and three- dimensional and justify their answers.
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