2nd grade area and perimeter

Front

What is area?

Back

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

Front

What is perimeter?

Back

Perimeter is the distance around a shape, found by adding the lengths of all its sides.

Front

How do you find the area of a rectangle?

Back

Multiply the length by the width.

Front

How do you find the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Front

What is a square unit?

Back

A square unit is a unit of measure for area, representing a square that is 1 unit long on each side.

Front

If a shape has an area of 4 square units, what could its dimensions be?

Back

It could be 2 units by 2 units, or 1 unit by 4 units.

Front

What is the area of a shape with a length of 3 units and a width of 2 units?

Back

The area is 6 square units (3 x 2 = 6).

Front

What is the perimeter of a shape with sides measuring 2, 3, 2, and 3 units?

Back

The perimeter is 10 units (2 + 3 + 2 + 3 = 10).

Front

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

Back

The area is 16 square units (4 x 4 = 16).

Front

What is the perimeter of a square with a side length of 5 units?

Back

The perimeter is 20 units (5 + 5 + 5 + 5 = 20).