4.MD.3 Review

Front

What is area?

Back

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

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

What is perimeter?

Back

Perimeter is the total distance around a two-dimensional shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

If a rectangle has a width of 5 feet and a length of 10 feet, what is its area?

Back

Area = 5 feet × 10 feet = 50 square feet.

Front

If a square has a side length of 4 feet, what is its area?

Back

Area = side × side = 4 feet × 4 feet = 16 square feet.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

If a triangle has a base of 6 feet and a height of 3 feet, what is its area?

Back

Area = 1/2 × 6 feet × 3 feet = 9 square feet.

Front

What is the relationship between width and length in a rectangle?

Back

The length is often longer than the width, but both can vary independently.

Front

How do you find the dimensions of a rectangle if you know the perimeter?

Back

Use the formula: Perimeter = 2 × (length + width) and solve for length and width.