Rectangle or not?

This task is about identifying whether shapes are rectangles and what makes them rectangles.
Some children are talking about whether some shapes are rectangles or not.

Question

maraea-girl-with-backpack.png   possible-rectangle-shape-3.png
a)  Maraea says this is not a rectangle.
     What do you think? 

    • It is a rectangle.

    • It's not a rectangle.

Explain why you think this.

Question

possible-rectangle-shape-1.png      tania-girl.png
b)  Tania says this is a rectangle.
     What do you think? 

    • It is a rectangle.

    • It's not a rectangle.

Explain why you think this.

Question

finau-boy.png   possible-rectangle-shape-6.png
c)  Finau says this is a rectangle.
     What do you think?

    • It is a rectangle.

    • It's not a rectangle.

Explain why you think this.

Question

tilted-square-shape.png     Thomas-boy.png
d)  David says this is a rectangle.
     What do you think? 

    • It is a rectangle.

    • It's not a rectangle.

Explain why you think this.

Question

e)  Select all the shapes that are rectangles.

    • possible-rectangle-shape-1.png

    • possible-rectangle-shape-2.png

    • possible-rectangle-shape-5.png

    • possible-rectangle-shape-4.png

    • possible-rectangle-shape-8.png

    • possible-rectangle-shape-3.png

    • shape-possible-rectangle.png

    • possible-rectangle-shape-7.png

    • possible-rectangle-shape-6.png

Question 1Change answer

possible-rectangles.png
f)  Describe how you know if a shape is a rectangle.