Category: Strategy Library

How to Introduce Subtraction

There are a number of misconceptions and errors we can predict when we introduce subtraction to our students. Not understanding that subtraction starts with the total. Not understanding that subtraction can take away or take apart or find the difference. Not understanding that subtraction isn’t just the operation you use

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How to Teach Addition and Subtraction Fact Families in 5 Easy Steps

In first grade, students use addition and subtraction fact families to understand the relationship between addition and subtraction but also to become more fluent in addition and subtraction facts. Taking a CRA (Concrete-Representative-Abstract) approach can help students to understand and generate related facts and addition and subtraction fact families. Strategy

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