Curated OER
Algebra/Geometry Institute: Area of Polygons
Students find the area of polygons. In this area of polygons instructional activity, students find the area of parallelograms, rectangles, squares, and other polygons. They identify each given figure and determine the appropriate...
Curated OER
Real Number System
Ninth graders discuss the real number system and its' properties. In this algebra lesson plan, 9th graders discuss rational, irrational, closure, real numbers and the distributive property of algebra. They solve problems using these...
Curated OER
Slope, slope-Intercept Form and Standard Form
Students investigate and solve linear equations using slopes. In this algebra instructional activity, students graph lines using the slope and y intercept. They also find the slope by rewriting their equation in to slope-intercept form...
Curated OER
Chess Lesson Plans
Students discover the game of chess. In this critical thinking lesson, students learn the rules for each chess piece and the game as a whole. Students use critical thinking, problem solving, logic, and reasoning skills to improve their...
Fredonia State University of New York
Watch Your Step…You May Collide!
Can two lines intersect at more than one point? Using yarn, create two lines on the floor of the classroom to find out. Cooperative groups work through the process of solving systems of equations using task cards and three different...
Curated OER
Graphing Solutions To Inequalities On A Number Line
Eighth graders graph solutions to problems on a number line. After discussing algebraic expressions, 8th graders discuss how to solve them using an inequality. They observe examples and then work problems at their desks and on the...
Curated OER
Solving Systems by Elimination
Students review solving absolute value equations. They watch as the teacher demonstrates solving a system of linear equations by addition. Students practice working problems by multiplying to obtain opposite cooefficients, and then...
Curated OER
Comparing and Ordering Integers
Students compare and order integers on an umber line. In this algebra lesson, students differentiate between positive and negative numbers. They plot point in the correct order on a number line.
National Security Agency
Ordering, Adding and Subtracting Integers
Prealgebrarians use colored chips, stickers, and pencils to explore the world of integers. They discover absolute value, compare positive and negative integers, and apply operations to them. A detailed procedure for the three-part...
Curated OER
Maxima and Minima Problems
Students calculate the maxima and minima of quadratic equations. In this calculus lesson plan, students apply the derivatives by finding the maxima and minima using real life application. They solve optimization using the derivative.
Alabama Learning Exchange
Battle to the Death: Adding Integers
Young scholars explore the concept of adding integers. In this adding integers lesson, students simulate the battle of the 300 spartans at Thermopylae. Young scholars use colored game pieces to represent positive and negative numbers. ...