This site offers a huge collection of free customizable Math worksheets for Grades 1-7. The worksheets are organized by grade level and by topic and can be downloaded in PDF format.

A collection of Math lessons and tips for teaching Math for K-12.

This site contains a free lesson on Prime Factorization in which students learn by doing practice problems.

This fourth-grade geometry lesson teaches the definitions for a line, ray, angle, acute angle, right angle, and obtuse angle. We also study how the size of the angle is ONLY determined by how much it has "opened" as compared to the whole...

This is a complete lesson with a video [7:56], instruction, and exercises about dividing decimals by decimals.

Students learn how to add mixed numbers with like fractional parts.

This lesson studies reciprocal numbers and how to use them in fraction divisions.

Lesson includes a video & examples showing the common shortcut for multiplying & dividing decimals by powers of ten. [7:59] Provides exercises and word problems for practice.

The Southeast Idaho Homeschool Association provides tips and ideas to use timelines and make them fun when teaching. Also explains different types of timelines.

This fifth-grade lesson explores the area of a rectangle with fractional side lengths. We tile the rectangle with unit rectangles and show that the area is the same as would be found by multiplying the side lengths. We multiply...

This geometry lesson defines equilateral, isosceles, and scalene triangles, and has a variety of exercises, including drawing exercises.

This lesson presents the idea that the area of any right triangle is exactly half of a certain rectangle, and contains varied exercises for students.

In this lesson, learn how to divide fractions using the shortcut of reciprocal numbers which is shown in the accompanying video. [10:31] The lesson also includes practice problems and many word problems.

Complete lesson with examples and exercises about the repeated subtraction process, as it relates to division.

Organization that promotes the methodology of unschooling.

Organization that promotes the methodology of unschooling.