Reflection: Complex Tasks Radical Equations Day 2 - Section 1: Warm Up and Homework Review

 

Solving an equation, even a polynomial, rational, or radical equation, is a straight forward skill with a black and white answer.  One method of increasing the complexity of this type of problem is demonstrated in today’s warm up.  Rather than asking the students to solve some equations, I asked them to identify a particular characteristic out of one of them, in this case an equation with no solution.  I didn’t tell them what method to use which is important for an open ended question like this.  Their responses were really good.  Some students, like in Warm Up 4, knew that the root couldn’t be negative but picked the wrong one because they didn’t simplify the equations.  Warm Up 3 was interesting because they got the right answer but used the wrong explanation.  Around 50% of the students identified the correct response and gave an adequate reason.  Warm Up 2 typified a certain number of students who knew the correct response but didn’t explain it well.  Warm Up 1 was one that wrote a strong explanation.  To bring the rest of the kids up to the level I want, I identified those with really great responses and had them share out.  

  Complex Tasks: Taking Solving Equations To The Next Level
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Radical Equations Day 2

Unit 5: Radical Functions and Equations
Lesson 6 of 8

Objective: Students will be able to solve radical equations.

Big Idea: Multiple representations and problem solving are the key features of this radical equation lesson.

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1 teacher likes this lesson
Subject(s):
Math, radical equations, Algebra, Function Operations and Inverses, Algebra 2, master teacher project
  50 minutes
image radical equations day 2
 
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