27 slides
Which line is longer?
1st
2nd
They are the same
Which orange circle is bigger ?
1st
2nd
they are the same
Which line is longer?
blue
orange
same
What shapes do you know?
What shape has 4 same length sides?
What shape has 3 corners?
What shape is round and has no corners?
WHich are not shapes?
What pictures are shapes?
Optical illusions trick your brain
true
false
What impossible things can you think of?
possible
impossible
possible stairs
impossible stairs
Is it possible to tell how many legs the elephant has?
impossible
possible
duck
rabbit
What can you see?
What can you see?
mans face
boy and 2 houses
man playing an instrument
a ladys face
skull
lady looking in the mirror
are the lines...?
straight
at a slant
Optical illusions I can see...
two faces
a cup
Do you understand optical illusions ?
yes
no
a little bit