Measuring the Area of a Plane Figure on a Grid

This lesson teaches how to find the area of different figures drawn on grids by counting unit squares. Each figure, despite its shape, has an area of 17 square inches. The lesson emphasizes that different shapes can have the same area, illustrating that area measures the space a shape occupies. The video concludes with a summary of measuring area using unit squares.

What is the method used to find the area of a shape on a grid?

• Measure the perimeter of the shape

• Use a ruler to measure the sides

• Count the number of unit squares covering the shape

• Calculate the volume of the shape

How many unit squares are there in figure number 1?

• 16

• 18

• 15

• 17

What is the area of figure number 2?

• 18 square inches

• 17 square inches

• 16 square inches

• 15 square inches

Why do figures with different shapes have the same area?

• They have the same perimeter

• They occupy the same amount of space

• They are made of the same material

• They have the same color

What does the area of a shape measure?

• The length of its sides

• The amount of space it occupies

• The weight of the shape

• The color of the shape