- square
- rhombus
- rectangle
- kite
- trapezium (trapezoid)
- arrowhead
- isosceles trapezium
- parallelogram
play 'guess my shape':
"I am thinking of one of these eight shapes
you can ask questions to find out which one it is but I can only answer yes or no to a question."
"What questions do you want to ask?"
"Now you have to try to find out my shape quickly - what questions do you want to ask?
"You can actually identify the shape in at most three questions.
What question do you ask first?"
one step difference:
can you put these into a line so that there is just one difference in shape properties between them?
e.g a rhombus or a rectangle could be placed next to a square
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