Do we need to memorize a bunch of rules to solve linear equations or can we reason about them? In this episode Pam and Kim use a model to make thinking visible and keep students reasoning! 

Talking Points: 

• Modeling on a double open number line
• Finding where x lies on a double open number line.
• Grappling with the opposite of x 
• Building integer sense as well as building equation solving sense
• Reasoning about an equation versus balancing an equation

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