Finding the Area of a Polygon Using a Key to Count Square Tiles

The video tutorial teaches how to find the area of polygons using square tiles and keys. It explains the importance of using keys to interpret graphs and avoid common mistakes in area calculation. Through examples, it demonstrates how to calculate area by counting square tiles according to the key, emphasizing the need to check the key for accurate results. The tutorial concludes with a review of the key concepts covered.

What does the key indicate in the graph of favorite sports?

• The total number of votes

• The popularity of each sport

• The number of sports available

• The number of votes each picture represents

What is a common mistake when finding the area of a shape?

• Counting each square unit by the key

• Ignoring the key and counting each square unit as one

• Using the wrong formula for area

• Counting the perimeter instead of the area

If a key indicates that 1 square tile equals 4 square units, how should you count the tiles?

• Count each tile as 8 units

• Count each tile as 4 units

• Count each tile as 2 units

• Count each tile as 1 unit

How do you calculate the area of a shape using a key that indicates each tile is 5 square units?

• Count each tile as 15 units

• Count each tile as 10 units

• Count each tile as 5 units

• Count each tile as 1 unit

What should you always check when counting square tiles to find the area of a shape?

• The color of the tiles

• The size of the tiles

• The key to see what each tile represents

• The shape of the tiles