Grade 3 Math Practice

Front

What is the law you must always follow when multiplying a 2 digit number by a 2 digit number?

Back

Always Add A Place Holder 0.

Front

What is the area of a polygon measured in?

Back

Units (e.g., cm, ft).

Front

How do you find the perimeter of a polygon?

Back

Add up all of the sides on the outside of the shape.

Front

How do you find the area of a polygon?

Back

Multiply the length and the width of the polygon.

Front

What is the area of a polygon if it measures 25 cm?

Back

25 cm.

Front

What is the area of a polygon if it measures 36 ft?

Back

36 ft.

Front

What do you need to remember when calculating area?

Back

Always include the units.

Front

What is the formula for finding the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

What is a polygon?

Back

A closed shape with straight sides.

Front

What is the difference between area and perimeter?

Back

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