How many different sets of four dots can be joined to form a square?
Teacher: Click on the dots above to show joining lines.
A printable sheet for student use is available here
Topics: Starter  Puzzles  Shape
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Previous Day  This starter is for 12 April  Next Day
There is a printable worksheet to go with this activity.
4 green, 5 black, 1 red and 1 blue
Extension Activity
How many rectangles can be found by joining four dots on the grid?
Teacher, do your students have
access to computers? 

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Other shape counting starters:
How Many Squares 1?
 How Many Squares 2?
How Many Triangles 1?

How Many Triangles 2?  How Many Triangles 3?
How Many Rectangles?
 Rectangles Investigation 
Icosahedron 
Mystic Rose