BW Walch
Daily Warm-Ups: Grammar and Usage
If grammar practice is anywhere in your curriculum, you must check out an extensive collection of warm-up activities for language arts! Each page focuses on a different concept, from parts of speech to verbals, and provides review...
BW Walch
Solving Systems of Linear Inequalities
One thing that puzzles a lot of young algebrists is the factors in a word problem that are taken as "understood". This presentation on solving systems of linear inequalities does a great job walking the learner through how to tease those...
BW Walch
Solving Exponential Equations
Introducing exponential equations means learners need to take all the rules and tricks they learned for exponents and actually apply them. This presentation comes to the rescue by touching on changing bases in exponential equations after...
BW Walch
Creating and Graphing Linear Equations in Two Variables
This detailed presentation starts with a review of using key components to graph a line. It then quickly moves into new territory of taking these important parts and teasing them out of a word problem. Special care is taken to discuss...
BW Walch
Creating Linear Inequalities in One Variable
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 equality...
BW Walch
Creating Linear Equations in One Variable
The example of two travelers meeting somewhere along the road has been a stereotypical joke about algebra as long as algebra has existed. Here in this detailed presentation, this old trope gets a careful and approachable treatment....
BW Walch
Solving Linear Inequalities in Two Variables
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...
BW Walch
Solving Systems of Linear Equations
Solving systems of equations underpins much of advanced algebra, especially linear algebra. Developing an intuition for the kinds and descriptions of solutions is key for success in those later courses. This intuition is exactly what...
BW Walch
Creating and Graphing Exponential Equations
Frequently found in biology and economic application problems, exponential equations show up as stars in this introductory presentation. Taking no background or knowledge of exponentials for granted, the slides walk learners through the...
BW Walch
Unexpected Family History
The history of the northern states' involvement in the slave trade is not widely known. This resource uses the PBS documentary, Traces of the Trade, and the nonfiction book, Children of the New England Slave Trade, to examine this aspect...
BW Walch
Kelper's Second Law: How Do Planets Move?
Kepler's second law of planetary motion, specifically, the law of equal areas, is demonstrated by your high schoolers. On the provided graph paper, they mark out the designated path of Earth at two different times of the year and then...
BW Walch
Wondering About the New Seven (Man-Made) Wonders of the World
Who determines the Seven Wonders of the World, and what criteria is used to evaluate these locations? Discover the efforts to promote cultural diversity and preserve man-made monuments during the world's first-ever global vote in 2007 to...
BW Walch
Vending Machine Bans Increase in Schools Nationwide
Does a ban on vending machines infringe on student rights, or do school officials have an obligation to monitor foods sold on school grounds? Your class members will explore the educational, health, and financial issues related to...
BW Walch
“Outsider” Poet Kay Ryan Goes from Poetry Club Reject to Poet Laureate
The cat might have got your tongue, but you can’t avoid the elephant in the room while you wait for the other shoe to drop. After all, the early bird gets the worm and the chickens are circling. After researching Poet Laureate Kay Ryan...
BW Walch
Linear & Exponential Functions
Positioned inside the framework of linear and exponential functions, this lesson is more of an investigation into the effects of changing variables and constants inside an expression. The author takes familiar formulas, those for...