Unit 1: Area and surface Area

What is the area of the rectangle?

• 22 cm²

• 11 cm²

• 24 cm²

• 12 cm²

This is a square, What is it's area?

• 3 cm²

• 9 cm²

• 12 cm²

• 9 cm

What is the area of this triangle

• 10.5 cm²

• 21 cm²

• 12.25 cm²

• 73.5 cm²

Wich one matches?

• A

• B

• C

• D

• E

Wich one matches?

• A

• B

• C

• D

• E

If the net were folded and assembled, what type of polyhedron would it make?

• Squared pyramid

• rectangular prism

• rectangular pyramid

• triangular prism

All the measures are cm. What is the surface area?

• 60 cm

• 18cm³

• 55 cm²

• 44cm

Wich one has bigger volume

• First has bigger volume (left)

• second has bigger volume (right)

• The have the same volume

Wich has bigger surface area

• first is bigger (left)

• second is bigger (right)

• They have the same surface area

Select all the expresions that match with the volume

• 5³

• 5²

• 5·5·5

• 6· 5

• 5x5x5