Lesson Plan
Illustrative Mathematics

Many Ways to Do Addition

For Teachers Pre-K - 1st Standards
A great aspect of teaching math is that children have the freedom to solve problems using a variety of different strategies. The focus of this lesson is for young mathematicians to become aware of many ways of answering addition...
PPT
BW Walch

Creating Linear Inequalities in One Variable

For Teachers 9th - 10th Standards
Just when a young mathematician starts to feel comfortable turning word problems into linear equations, shake things up and throw inequalities in the mix. This excellent, instructive presentation takes the steps for solving an...