Activity
Curated OER

Integer Solutions to Inequality

For Teachers 8th - 11th Standards
When is the last time you assigned your students only one problem? This seemly simple problem requires learners think like a mathematician and reason about how to solve this compound inequality in one variable. More than just using...
Activity
5280 Math

Capture the Points

For Teachers 8th - 10th Standards
Play a game of capture the points. Young scholars receive a number line with specific points graphed and must write an inequality that captures all the points. The second task of the algebra project is to write an inequality with...
Lesson Plan
Illustrative Mathematics

Sports Equipment Set

For Teachers 6th - 8th Standards
Many students like to play sports and the equipment that goes with it costs money. The resource sets up an inequality that gives a total amount needed to purchase the equipment and the initial amount of money already obtained. In order...
Activity
Education Development Center

Absolute Value Reasoning

For Students 6th - 7th Standards
Teach solving absolute value inequalities through inquiry. Groups use their knowledge of absolute value and solving inequalities to find a solution set to an absolute value inequality. Working collaboratively encourages discussion,...
Lesson Plan
Illustrative Mathematics

Fishing Adventures 1

For Teachers 5th - 7th Standards
Often inequalities exist in many real-world contexts but young math learners struggle with understanding how to represent that relationship in a simple equation using an inequality. This activity focuses on the basic concepts by using...
Lesson Plan
1
1
Curated OER

Fishing Adventures 3

For Teachers 9th - 12th Standards
Your young boaters will enjoy writing and solving inequalities, and representing the solution graphically in this task set in the context of renting a boat.
Lesson Plan
Illustrative Mathematics

Fishing Adventures 2

For Teachers 6th - 9th Standards
This resource is part of a series which expects participants to be familiar with graphing inequalities on a number line. It is a word problem that asks your class to graph a discrete solution set and interpret it in the context of an...
Lesson Plan
Illustrative Mathematics

Video Game Credits

For Teachers 6th - 7th Standards
Help your learners understand how to divide fractions with this visual activity. They first answer a simple inequality before dividing the fractions. Two solution choices are given to help your mathematicians understand how to solve "how...
Lesson Plan
Illustrative Mathematics

Log Ride

For Teachers 5th - 7th Standards
The rides at a theme park always have limits on weight or number of riders. This makes a natural example of the use of inequalities to solve real-world problems. Learners explore intuitive solutions using substitution to solve the...
Lesson Plan
Curated OER

Basketball

For Teachers 9th - 12th Standards
Tap into the competitive nature of teenagers as your class practices setting up and solving rational equations. This activity starts with a specific ratio of games won to games played, then asks how many more games must be played to...
Lesson Plan
Illustrative Mathematics

Firefighter Allocation

For Teachers 5th - 7th Standards
Creating equations with one variable  to solve real-world-type problems is a key skill any algebra learner needs to master. Here the focus is on realizing that one can write the equation in different ways depending upon how one...
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...
Activity
Florida Center for Instructional Technology

A Human Number Line: Teacher Notes

For Teachers 4th - 6th Standards
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Lesson Plan
Curated OER

Equations and Inequalities Projects

For Teachers 7th - 9th
Learners compose equations and inequalities whose solutions are the integers 1-31 and utilize them to number one month of a calendar. They take notes on two ways to work backwards from a solution: by using the number and by setting x...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving Quadratic Inequalities Graphically

For Students 9th - 10th
Eighteen problems present a variety of practice solving quadratic inequalities graphically. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Activity
Richland Community College

Rcc: Solving Inequalities Algebraically and Graphically

For Students 9th - 10th
Straightforward explanations on how to solve inequalities. Includes linear inequalities, double inequalities, absolute value inequalities, polynomial inequalities, and rational inequalities.
Activity
BBC

Bbc: Algebra Revision Bite Solving Equations

For Students 9th - 10th Standards
BBC Schools offers a test review ("revision") of several aspects of solving equations. Content includes solving simple equations, solving equations with brackets, simplifying letters in equations, plus much more. After working through...
Activity
Math Medics

S.o.s. Math: Solving Polynomial Inequalities

For Students 9th - 10th
A short lesson on solving quadratic and polynomial inequalities.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving Linear Systems by Substitution

For Students 9th - 10th Standards
Twenty-seven problems present a variety of practice solving linear systems by substitution. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Activity
Interactive Mathematics

Interactive Mathematics: Solving Inequalities

For Students 9th - 10th Standards
Several examples are presented in this tutorial to demonstrate how to solve inequalities in one variable.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Solving a Logarithmic Inequality

For Students 9th - 10th
"Dr. Math" from Drexel University responds to a student question about solving a logarithmic inequality.
Activity
Texas Instruments

Texas Instruments: Inequality Graphing App

For Teachers 9th - 10th
This activity investigates the use of the Inequality Graphing App of the TI-83 Plus/TI-84 Plus to solve a linear programming problem.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Polynomial Inequality Problem

For Students 9th - 10th Standards
This site from Drexel University answers student question about solving polynomial inequalities, "Dr. Math" provides a fairly thorough explanation in how to solve such problems.
Activity
Purple Math

Purplemath: Solving Polynomial Inequalities

For Students 9th - 10th
Demonstrates the 'factor table' method for solving polynomial inequalities.

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