Estimate Area with Unit Squares

Which is a way to find area?

• Counting the square units inside a shape

• Counting the square units around the outside of a shape

What is the total area of the pink model?

• 3 units squared

• 4 units squared

• 7 units squared

• 12 units squared

What is the area of the rectangle?

• 15 square centimetres

• 18 square centimetres

• 21 square centimetres

• 22 square centimetres

What is the area of this irregular shape?

• 13 square centimetres

• 12 square centimetres

• 10 square centimetres

What is the approximate area of this shape?

• 16 square centimetres

• 17 square centimetres

• 18 square centimetres

Which formula would you use to find the area of this shape?

• A = L x W

• A = S x S

Which shape has the smaller area?

• A

• B

Matthew built a rectangular garden to grow food for his family. His garden was 3 feet wide by 7 feet long. What was the area of his garden?

• 21 feet ²

• 22 feet ²

• 15 feet ²

• 18 feet ²

What is the area of the shaded figure? 

• 4 square units 
• 6 square units 
• 10 square units 
• 2 square units 

What is the total area of the model?

• 6
• 10
• 12
• 14