3rd grade Area - Eureka Math

Front

What is the formula to calculate the area of a rectangle?

Back

Area = length × width.

Front

How do you find the area of a shape on a grid?

Back

Count the total number of squares that cover the shape.

Front

What is a square unit?

Back

A square unit is a unit of measurement for area, representing a square with sides of one unit length.

Front

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

Back

15 square centimeters.

Front

What is the area of a rectangle with a width of 10 ft and a length of 9 ft?

Back

90 square feet.

Front

What does the term 'area' refer to in geometry?

Back

The amount of space inside a shape.

Front

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

Back

16 square centimeters.

Front

How can you determine the area of irregular shapes?

Back

Break the shape into regular shapes, calculate the area of each, and then sum them up.

Front

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

Back

12 square centimeters (Area = 1/2 × base × height).

Front

What is the relationship between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.