PPT
BW Walch

Solving Linear Inequalities in Two Variables

For Teachers 9th - 10th Standards
Although graphing a linear inequality on the plane is but a few steps added onto the graphing of a linear equation, for many learners the logical leap is quite intimidating. This approachable PowerPoint presentation breaks graphing...
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...
Handout
Curated OER

Comparatives & Superlatives in Spanish

For Teachers 6th - 12th
Who is taller? And who is the tallest? Help your Spanish language learners express comparison by teaching them about comparatives and superlatives. The first part of the webpage includes in-depth explanations with examples of...