Core math skills. Operations and algebraic thinking

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coremathskillsoperationsandalgebraicthinking

At the carnival

understand and apply properties of operations
2014

Gabriella's butterfly garden

understand and apply properties of operations
2013

Helping at the book sale

represent and solve subtraction problems
2014

Yolanda's yard sale

add and subtract within 20
2013

Let's recycle

represent and solve addition problems
2014
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