3rd Grade - Composite Area & Area

Front

What is area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

How do you find the area of a rectangle?

Back

Multiply the length by the width (Area = length × width).

Front

What is the area of a square with side length 4 cm?

Back

16 cm² (Area = side × side = 4 cm × 4 cm).

Front

What is a composite figure?

Back

A composite figure is a shape made up of two or more simple shapes.

Front

How do you find the area of a composite figure?

Back

Find the area of each simple shape and then add them together.

Front

What is the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the area of a rectangle with a length of 5 cm and a width of 3 cm?

Back

15 cm² (Area = 5 cm × 3 cm).

Front

If a square has an area of 36 cm², what is the length of one side?

Back

6 cm (Area = side × side, so side = √36).

Front

What is the formula for the area of a circle?

Back

Area = π × radius².

Front

What is the area of a rectangle with a length of 10 m and a width of 2 m?

Back

20 m² (Area = 10 m × 2 m).