Evolution of school

Calculate the surface area!
Calculate the surface area!
How long is the bottom of the square?
Calculate the surface area of the quadrilateral Multiply the length by the width!
Tick the correct surface:
() 4000
() 60.000
() 800.000
Tick the correct surface:

() Banana

() suitcase

()60.000

() visa card

If you want, you can fill out the square with your favorite color!