Reflection: Lesson Planning Rectangles with the Same Area and Different Perimeters - Section 2: Intro to New Material


I really love how inter-connected the 6th grade content is under the Common Core standards.  This lesson is a great way to review factors (and I even slip a few problems like this in at the start of the school year, after we've finished Unit 1!). 

It is important, I think, to keep this lesson where it is, though.  The next lesson in the sequence is around rectangles with the same perimeter and different areas.  I want students to be able to make sense of problems and decide if they're manipualting perimeter or area.  They need to be able to do both fluently.  

  New Content, or Review?
  Lesson Planning: New Content, or Review?
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Rectangles with the Same Area and Different Perimeters

Unit 10: Area of Two Dimensional Figures
Lesson 2 of 14

Objective: SWBAT recognize that rectangles with the same area can have different perimeters.

Big Idea: Rectangles that have the same area can have different perimeters.

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12 teachers like this lesson
Math, Geometry, area, perimeter, square, rectangle, dimension
  60 minutes
same area diff perim image
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