Unit Plan
Khan Academy

Khan Academy: Area and Circumference of Circles Challenge

For Students 6th - 8th
Practice interesting area and circumference problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Cuemath

Cuemath: Circles

For Students 3rd - 8th Standards
Explore everything about circles. Learn various parts of a circle like a diameter, radius, circumference, circles chord, tangent circles, major arc, segment, sector, and discover other interesting aspects of it. Try your hand at solving...
Website
National Council of Teachers of Mathematics

The Math Forum: Elementary Geometry Circles

For Students 9th - 10th Standards
The Math Forum offers an archive of question and answer sessions on circles and how they relate to geometry.
Lesson Plan
Science and Mathematics Initiative for Learning Enhancement (SMILE)

Smile: The Area of a Circle

For Teachers 6th - 8th Standards
An investigative approach is given to exploring finding the area of a circle.
Unit Plan
Khan Academy

Khan Academy: Circumference of a Circle

For Students 6th - 8th
Find the circumference of a circle when given either the radius or diameter.Find the radius or diameter of a circle when given the circumference.Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Activity
Texas A&M University

Wtamu Virtual Math Lab: Beginning Algebra: Formulas

For Students 9th - 10th
This tutorial will show you how using formulas can help you solve problems. Include formulas for various geometric shapes and steps showing how to use them.
Unknown Type
Other

Tulpehocken Area School District: Graphing and Analyzing Scientific Data

For Students 4th - 8th
Student worksheet with explanation of pie, bar, and line graphs, the parts of a graph, and the definition of mean, median, and mode. This summary is followed by an exercise for each type of graph within a scientific context.
Website
Other

History of International Migration

For Students 9th - 10th
Migration from country to city forms a part of this, a detailed outline describing key points of international migration during the 1800s including the causes of, the reaction, and consequences.
Handout
Cuemath

Cuemath: Radius

For Students 9th - 10th Standards
This reference tool explores the radius of a circle. Provides definitions, solved examples, and practice questions with answers.

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