Unit Plan
PBS

Pbs: Modeling Fraction Division Using Comparison, Group Number Unknown

For Students 6th - 8th
This animated video illustrates a visual model for solving a word problem involving the division of fractions. The problem asks students to use fractions to compare the spring weight of a hedgehog with its weight just before hibernation....
Article
Other

Just Intonation Explained

For Students 9th - 10th
Here is an interesting site explaining how music intonation works with math and fractions. Find out how ratios and fractions denote pitches.
Interactive
Calculator Soup

Calculator Soup: Adding Fractions Calculator

For Students 9th - 10th
Add and subtract proper and improper fractions with this calculator and see the work involved in the solution.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee,g Sierpinski's Carpet

For Teachers 6th Standards
In this task, 6th graders are presented with a large square divided into 9 squares and the center square is then removed. They are asked to find the area of the 8 remaining squares. Each smaller square is divided in the same way and the...
Unit Plan
AAA Math

Aaa Math: Subtraction

For Students 1st - 8th Standards
This tutorial focuses on basic subtraction, subtraction facts, subtraction skills, subtraction of fractions and subtraction of positive and negative integers. Features include practice exercises and games.
Unit Plan
PBS

Pbs: Real Life Math: Production Scheduler

For Students 6th - 8th
Production scheduler Jessi Felde explains how she uses math in her work in this video from KAET. In the accompanying classroom activity, students watch the video and then complete an activity involving one aspects of math that Ms. Felde...