Lesson Plan
Curated OER

Using Algebra to Explore Problem Space

For Teachers 7th - 9th
Students apply their knowledge of math by rewriting word problems using equations. In this word problem lesson, students build upon previous knowledge as they set up the correct steps to solve word problems. This lesson is full of hints...
Lesson Plan
Curated OER

Summer Machines Activity: How Can We Move This Box of Blocks?

For Teachers Pre-K - K
Students discover there's more than one way to move a heavy load. In this problem solving lesson, students use observation and problem-solving skills as they experiment with simple machines in order to transport loads.
Lesson Plan
Curated OER

Systems of Equations and Inequalities

For Teachers 8th - 12th Standards
This is a comprehensive lesson on creating and solving equations and systems of equations and inequalities. Problems range from basic linear equations to more complex systems of equations and inequalities based on a real-world examples....
Worksheet
Math Stars

Math Stars: a Problem-Solving Newsletter Grade 7

For Students 6th - 9th Standards
Put on your thinking caps because middle school math has never been more interesting in this huge resource full of thought provoking questions. Written as a newsletter, the resource has 10 two-page newsletters with a variety of...
Unit Plan
Mathematics Vision Project

Module 4: Equations and Inequalities

For Students 8th - 10th Standards
Can you justify that mathematically?  Help learners see the process of solving as using mathematical properties rather than a set of steps to memorize in the fourth module of a nine-part Algebra I series. The module contains six...
Lesson Plan
Curated OER

Graphing Systems of Inequalities

For Teachers 9th - 12th
Solve equations and graph systems of inequalities. Designed as a instructional activity to reinforce these concepts, learners revisit shading and boundaries along with solving linear inequalities.
Lesson Plan
Curated OER

Compound Inequalities and Graphing

For Teachers 10th - 11th
Put geometry skills to the test! Learners solve compound inequalities and then graph the inequalities on a coordinate plane using their geometric skills. They identify the slope and y-intercept in order to graph correctly. I like this...
Lesson Plan
Curated OER

Problem Solving Model

For Teachers 6th - 8th
Use a vocabulary chart to introduce math functions. The class defines a list of mathematical vocabulary terms on a worksheet, as well as completes equations and expressions. They examine word problems and practice transcribing them into...
Activity
Illustrative Mathematics

Toll Bridge Puzzle

For Teachers 2nd - 3rd Standards
Here is a great problem-solving activity for young mathematicians. Intended solely for instructional purposes, the activity is appropriate for learners to add four numbers together. Not only must they add four numbers together,...
Lesson Plan
EngageNY

Solving and Graphing Inequalities Joined by “And” or “Or”

For Students 9th - 10th Standards
Guide your class through the intricacies of solving compound inequalities with a resource that compares solutions of an equation, less than inequality, and greater than inequality. Once pupils understand the differences, the...
Lesson Plan
EngageNY

Solving Rational Equations

For Students 10th - 12th Standards
What do fractions and rational expressions have in common? Everything! Learners use common denominators to solve rational equations. Problems advance from simple to more complex, allowing pupils to fully understand the material before...
Lesson Plan
EngageNY

Linear Systems in Three Variables

For Students 10th - 12th Standards
Put all that algebra learning to use! Using algebraic strategies, learners solve three-variable systems. They then use the three-variable systems to write a quadratic equation given three points on the parabola.
Lesson Plan
Curated OER

Inequalities 7.3

For Teachers 7th - 8th
Graph inequalities and discuss the difference in their slopes. Learners observe rate of change as they compare linear, quadratic, and cubic functions.
Lesson Plan
Curated OER

Simple Inequalities on a Number Line

For Teachers 9th - 12th Standards
High schoolers solve inequalities problems. For this algebra lesson, students graph the solution of inequalities on a number line. They discuss boundaries and open or closed intervals.
Lesson Plan
National Security Agency

Systems of Equations and Inequalities

For Teachers 9th - 12th Standards
High school classes can use manipulatives too! Offer hands-on, interactive lessons that venture away from the typical day in your algebra class. Young mathematicians will be involved in collaborative learning, visual...
Lesson Plan
EngageNY

Recursive Challenge Problem—The Double and Add 5 Game

For Students 9th - 10th Standards
As a continuation of a previous lesson, this activity builds on the concept of calculating the terms of a sequence. Pupils are challenged to determine the smallest starting term to reach a set number by a set number of rounds. Notation...
Lesson Plan
EngageNY

Creating and Solving Quadratic Equations in One Variable

For Students 9th - 10th Standards
Give your classes practice at modeling using quadratic models with a resource that uses area and integer problems to allow individuals to create second degree polynomials. Young mathematicians solve equations using factoring and then...
Lesson Plan
Curated OER

An Introduction To Solving And Graphing Inequalities

For Teachers 10th - 11th
Students graph inequalities and solve the equations. In this algebra lesson, students graph their solutions on a number line and create an inequality for a word problem.
Lesson Plan
Curated OER

Linear Equations

For Teachers 9th - 11th
This is a great lesson from start to finish. With partners and on their own, learners write and solve linear equations and inequalities. They use manipulatives, group work, and an included worksheet to make magic with their problem...
Lesson Plan
Virginia Department of Education

Rational Equations

For Students 9th - 12th Standards
Provide guidance and practice of the useful skill: solving rational equations using both an algebraic and graphical approach. Pupils solve increasingly more difficult rational equations using algebraic methods. After, they...
Activity
101 Questions

Woody's Raise

For Teachers 6th - 8th Standards
You want to be where everyone gets a raise. A short clip from the TV show Cheers provides the context for the task. After watching an interaction between a bartender and an owner regarding a raise, viewers write inequalities to represent...
Lesson Plan
Curated OER

Linear Inequalities

For Teachers 9th - 12th
Students solve linear inequalities. In this solving linear inequalities lesson, students solve one step inequalities algebraically. Students graph the solutions on a number line. Students compare the graphs of various inequalities such...
Lesson Plan
Curated OER

Introduction of Single and Multiple Linear Inequalities

For Teachers 9th - 11th
Students solve linear inequalities. In this algebra lesson, students rewrite inequalities using one and two step equations. They graph their findings and identify the slope and solution of the line.
Lesson Plan
National Security Agency

A Balancing Act: Solving Multi-Step Equations

For Teachers 6th - 8th Standards
Wow! Put on that thinking cap and solve multi-step equations. To solve equations, learners review the use of the distributive property and combining like terms. This three-day instructional activity comes with about 20 pages of...