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Sort them, then say the rule

2-D shapes. Part of numbers to 100.

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Sort them, then say the rule

2-D shapes · Alberta Grade 2 · maddyhelps.com

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Sort these shapes into two groups any way you like. Then write the rule you used. Alberta asks for the rule as well as the sorting, and saying it is harder than doing it.

Circle

Square

Triangle

Rectangle

My rule

Another rule that would also work

For the grown-up

Sort them, then say the rule

Plenty of rules work: straight sides or curved, four sides or not, all sides equal or not, has a right angle or not. A second, different rule is the harder half of the sheet and the more valuable one.

Why this matters is on the numbers to 100 page. More sheets