State Library of North Carolina
N Cpedia: Concervation Movement: Programs and Initiatives
A phenomenal growth of land trusts or conservancies, similar in focus to the Nature Conservancy began to occur statewide beginning in the mid-1980s. For instance, the Triangle Land Conservancy was established in 1983 to support native...
Purple Math
Purplemath: Proportions: Introduction
Explains the basics and terminology of proportions.
National Council of Teachers of Mathematics
Nctm: Figure This: Nctm Math Challenge Three Squares (Pdf)
If you think you can handle the Pythagorean Theorem, then this is a math challenge you should try. Explore geometric relationships and measurement in this one page activity from the NCTM Math Challenges for Families series.
Sophia Learning
Sophia: Corresponding Parts: Lesson 5
This lesson will define the phrase corresponding parts (e.g. angles, sides, etc.). It is 5 of 5 in the series titled "Corresponding Parts."
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