For example
A triangle cut from card has three corners to count.
In Grade 1
Children count corners on real shapes, noticing that the number of corners matches the number of sides.
Watch out for
Children often count one corner twice when they go round a shape. Start at one corner and stop when you reach it again.
Say it at home
Ask your child to press a finger on each corner of a book and count them.
Try it together
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