Type:

Unit

Description:

<p>Circles and Similarity</p><p>Sean has two circles, one with a radius of 1 inch and another with a radius of 3 inches.</p><p>What is the ratio between the radii of the circles?<br/>What is the scale factor between the two circles?<br/>What is the ratio between the circumferences of the circles?<br/>What is the ratio between the areas of the circles?<br/>What do area ratios and circumference ratios have to do with scale factor?</p><p>Lessons, videos, exercises, and text from CK-12. <br/>Additional resources available at this site.</p>

Subjects:

  • Mathematics > General
  • Mathematics > Geometry

Education Levels:

  • Grade 9
  • Grade 10

Keywords:

similar circle

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial

Collections:

Teacher Resources
Update Standards?

CCSS.Math.Practice.MP2: Common Core State Standards for Mathematics

Reason abstractly and quantitatively.

CCSS.Math.Practice.MP3: Common Core State Standards for Mathematics

Construct viable arguments and critique the reasoning of others.

CCSS.Math.Practice.MP6: Common Core State Standards for Mathematics

Attend to precision.

CCSS.Math.Practice.MP7: Common Core State Standards for Mathematics

Look for and make use of structure.

CCSS.Math.Content.HSG-C.A.1: Common Core State Standards for Mathematics

Prove that all circles are similar.
Curriki Rating
'C' - Curriki rating
C
'C' - Curriki rating

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