Curated OER
Origami Cube
Students compare two lengths using the area of a square. In this geometry instructional activity, students solve problems using ratio and proportion of the two shapes. They solve equations by taking the square root of both sides.
Curated OER
Application of the Pythagorean Theorem
Students find the length of the hypotenuse using the Pythagorean Theorem. In this geometry lesson plan, students solve for the different parts of a right triangle. They work the first problem with-the teacher then work on their own.
Curated OER
Conjectures and Conclusions
Students draw conclusions and make conjectures given a specific scenario. In this geometry lesson, students model real life scenarios using properties of triangles. They model number facts and explain why the outcome is what it is.
Curated OER
Scientific Notation
Students observe the teacher writing numbers and determine the rules for scientific notation. After explanations, they perform operations on numbers in scientific nation and discuss reasons for using this method of writing numbers and...
Curated OER
Introducing Trigonometry
Eleventh graders explore the three basic trigonometric functions. In this trigonometry/Algebra II lesson, 11th graders use GeoGebra and the unit circle to define the ratios of sides is a right triangles as they examine the full domain...
Curated OER
The Fractal Geometry of Nature
Students identify patterns found in nature. In this algebra lesson plan, students model situation in nature using fractals. They investigate biological geometric structures and draw conclusion based on geometric concepts.
Curated OER
Proportions a/b=c/d
Young scholars calculate distance and proportion of objects. For this algebra lesson, students define proportion and how it is used in math. They solve the problem through guided instruction.
Curated OER
Square Roots
Students differentiate between perfect roots and rational roots. In this algebra lesson, students perform operation using roots. They add, subtract, multiply and divide rational expressions.
Alabama Learning Exchange
"Like Terms", I Add Them
Ninth graders add and subtract polynomials. In this Algebra I lesson plan, 9th graders work practice problems as they view a PowerPoint presentation of the lesson plan. Both the horizontal and vertical methods of addition and...
EngageNY
Solving Quadratic Equations by Completing the Square
Many learners find completing the square the preferred approach to solving quadratic equations. Class members combine their skills of using square roots to solve quadratics and completing the square. The resource incorporates a...
EngageNY
Calculating Probabilities of Events Using Two-Way Tables
Tables are useful for more than just eating. Learners use tables to organize data and calculate probabilities and conditional probabilities.
EngageNY
Deriving the Quadratic Formula
Where did that formula come from? Lead pupils on a journey through completing the square to discover the creation of the quadratic formula. Individuals use the quadratic formula to solve quadratic equations and compare the method to...
Curated OER
Absolute Value Equations and Inequalities
Students explore the concept of absolute value inequalities and equations. In this absolute value inequalities and equations lesson plan, students discuss how to solve absolute value inequalities and equations through teacher led...
Alabama Learning Exchange
Factoring by Mack
Learners explore the concept of factoring trinomials. In this factoring trinomials lesson, students use the Mack Method to factor trinomials. Learners watch a video on how to factor a trinomial with a coefficient of 1 with...
Curated OER
The Mandelbrot Set
Students explore the Mandelbrot Set. They are introduced to the concept of a complex number and function in order to motivate the discussion of Julia and Mandelbrot sets. Students investigate fractals and how they are built.
Curated OER
Donut Dinero
Students set up a classroom currency exchange and explore the idea of bartering to get what they want. They create a monetary unit that is based on fractions and multiples of a standard unit, and compare this system to the U.S. monetary...
Alabama Learning Exchange
Explore the Transformations of Linear and Absolute Value Functions Using Graphing Utilities
Learners explore the concept of transformations. For this transformation lesson, students use an applet that is an interactive absolute value graph applet. Learners manipulate the applet to examine the change in the function...
Curated OER
You Can Count on Squares!
Fourth graders engage in and explore to develop mathematical, specifically algebraic, ideas. Although the tasks are built around measurement, they are algebraic to the extent that they require 'formulae' to be derived form the geometric...
Curated OER
Number Line Math
Second graders use a number line to practice subtraction. In this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
Alabama Learning Exchange
Writing Word Equations
Students explore the concept of chemical formulas. For this chemical formula lesson, students watch a video about balancing chemical equations. Students conduct an experiment using silver nitrate and sodium phosphate. ...
Curated OER
ABC's of Banking
Young scholars explore the concept of managing money. In this managing money lesson plan, students discuss how to write checks and keep an accurate check registry. Young scholars discuss the importance and uses of debit cards and deposit...
Curated OER
It's a Party! Solving Multi-step Equations
Students explore the concept of multi-step equations. In the multi-step equation lesson, students solve equations by the 'party method'. Students make a flip book that shows the steps in solving multi-step equations.
Curated OER
Rational Function Graphs
Pupils use algebraic methods to represent and solve problems. Using a graphing calculator, students solve rational and inequality problems. They visually demonstrate solutions of functions through graphing. Pupils answer questions...
Pennsylvania Department of Education
Creating Polygons
Students describe, make and compare polygons. In this creating polygons lesson, students identify properties of quadrilaterals and describe common features of two dimensional shapes.