eBook
CK-12 Foundation

CK-12 Middle School Math Concepts - Grade 6

For Students 6th Standards
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
eBook
Math Planet

Math Planet: Algebra 2: Geometric Sequences and Series

For Students 9th - 10th Standards
Gain an understanding of geometric sequences and series by viewing examples and a video lesson. [1:46]
eBook
Mathigon

Mathigon: Geometry: Polygons and Polyhedra: Tessellations

For Students 9th - 10th
This lesson focuses on tessellations, a tessellation is a geometric pattern that covers a surface without gaps or overlaps. They can be seen everywhere in nature such as a honeycomb or a tortoise shell.
eBook
Mathigon

Mathigon: Euclidean Geometry: Introduction

For Students 9th - 10th Standards
Mathematicians in ancient Greece were amazed by mathematical patterns, and wanted to explore and explain them. They began to study mathematics just "for fun" without a specific application in mind. One of these mathematicians, Thales of...
eBook
Mathigon

Mathigon: Algebra: Special Sequences

For Students 9th - 10th Standards
In addition to arithmetic and geometric sequences, Fibonacci Numbers, and figurate numbers, there are countless interesting sequences that don't follow a similar, regular pattern. These include prime numbers, perfect numbers, the...

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