Reflection: Checks for Understanding Expressions in the Real World - Section 2: Expressions in the real world


Students will be applying what they know about evaluating expression using real world formulas.  Unfortunately, I was not able to be here for today's lesson.  In order to make sure that students correctly evaluate these expressions, I created a video for the substitute teacher to use to show students the correct way to substitute and solve.


Students worked on the problem independently, shared responses with their partner, then the guest teacher showed the video I created so students could check their solutions for immediate feedback. 


Students struggled with using the surface area formula  6s(squared).  In order to get a better understanding, I had them tell me the meaning of s(squared) and they came up with the expression 6 x s x s.  This helped the students that were struggling with this real-world expression.

  Checks for Understanding: Ensuring student understanding in my abscence
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Expressions in the Real World

Unit 6: Expressions
Lesson 11 of 14

Objective: SWBAT use formulas to evaluate expressions using real world examples.

Big Idea: Using real world examples to evaluate and solve expressions!

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