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Lesson Example Discussion Quiz: Class Homework

Lesson

Title: Area of 2D-shapes

Grade: 1300-a Lesson: S3-L5

Explanation: Hello Students, time to learn definitions. Let us take turns and read definitions and explain the pictures. Try to remember or memorize the definitions. Pay special attention to the pictures and communicate in your own words.

Lesson:

Definition: Area of 2D shapes

Area of a 2D shape is the quantity that expresses the region enclosed within the boundary of a two-dimensional shape.

2D stands for two-dimensional.
2D shapes are shapes with two dimensions, such as width and height.

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Explanation: Examples of 2D shapes are square, rectangle, triangle, circle, etc.