Repeating Your Reasoning
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The students apply their method for apps of different prices: one with a whole number price and one with a decimal price.
Episode Supports 
Students’ Conceptual Challenges
Focus Questions
For use in a classroom, pause the video and ask these questions:
1. [Pause video at x:xxx]. text
Supporting Dialogue
Focus students’ attention on conjecturing and providing evidence for their conjectures:
1. Example