Understanding Area and Measurement

Front

What is area?

Back

Area is the amount of space inside a plane figure.

Front

What is a unit square?

Back

A unit square is a square with a side length of 1 unit.

Front

How do you find the area of a rectangle?

Back

Multiply the length by the width.

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its area?

Back

15 cm².

Front

What is the area of a figure covered by 15 unit squares?

Back

15 square units.

Front

If a rectangle is covered by 8 unit squares, what is its area?

Back

8 square units.

Front

What does it mean to cover a figure without gaps or overlaps?

Back

It means to fill the entire area of the figure completely with no spaces in between.

Front

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

Back

16 square units.

Front

What is the formula for the area of a square?

Back

Area = side length × side length.

Front

If a rectangle has an area of 20 cm² and a width of 4 cm, what is its length?

Back

5 cm.