Curated OER
What's a Boundary?
Are you graphing an inequality? What's that dashed line called? It's called a boundary line and it is the line that separates the coordinate plane into two separate half planes.
Curated OER
How Do You Graph the Union of Two Inequalities?
Two given inequalities and you need to find the union. What is the union? Well, it just means that you need to show the graphs of the given inequalities on the same number line. Keep in mind, less than, greater than, and equal to, and...
Curated OER
How Do You Compare Two Whole Numbers?
Two very similar numbers and you have to figure out which one is larger. The teacher diagrams a place value chart and shows you how to write the two numbers to make a comparison.
Curated OER
How Do You Solve and Graph Inequalities from a Word Problem?
Are you befuddled after reading this word problem? Not only is it a word problem but there are two variables, and not only does it have two variables, but it is an inequality. Don't pull your hair out! Take a deep breath and watch this...
Curated OER
How Do You Solve a Word Problem By Writing an Inequality?
An inequality in a word problem? And there's a fraction too?! As if word problems weren't hard enough! You can do this, just follow along as the instructor explains each step in solving this word problem.
Curated OER
How Do You Find a Solution Set When You Have A Replacement Set?
Given a replacement set of values, plug them in to find a solution set to this inequality expression.
Curated OER
How Do You Solve an Inequality Using Subtraction?
Use the subtraction property of inequality to solve this problem. It's just a one step solution and then the instructor shows how to write the answer in set builder notation.
Curated OER
How Do You Solve an Inequality Using Addition?
Use the addition property of inequality to solve this problem. It's just a one step solution and then the instructor shows how to write the answer in set builder notation.
Curated OER
How Do You Graph an Inequality on a Number Line?
The teacher shows how draw a number line and graph an inequality using an open circle. She also shows how to graph a set of numbers on a number line.
Curated OER
How Do You Find a Value to Make an Open Sentence True?
What is an open sentence? Don't know? Want to find out? Watch this lesson on what makes an open sentence in math and learn how to solve and answer the problem.
Curated OER
How Do You Write an Inequality from a Number Line Graph?
The instructor demonstrates how to read a number line graph to write an inequality. There are several steps involved which are explained clearly.
Corbett Maths
Graphical Inequalities Part 2
Sequels are often letdowns, but not here. Pupils learn to graph linear inequalities on a coordinate plane. They do so by watching a short YouTube video that works through several examples. The resource is part two of the Graphing...
Corbett Maths
Graphical Inequalities Part 1
Plot your lesson on graphing inequalities. Viewers of an informative YouTube video learn how to plot linear inequalities as half-planes. Individuals focus on inequalities with vertical and horizontal boundaries as they complete part one...
Corbett Maths
Solving Inequalities – Two Signs
Compound your knowledge of compound inequalities. A short YouTube video describes how to solve compound inequalities. It shows the steps to take to result in a solution of the form a < x < b. A set of examples covers the topic.
Corbett Maths
Solving Inequalities - One Sign
Solve the problem of not knowing how to solve inequalities. Pupils learn to solve one-variable inequalities by watching a YouTube video. The video includes examples of two-step inequalities and inequalities with variables on both sides.
Corbett Maths
Inequalities on a Number Line
It's all about the number line. Young mathematicians learn how to graph the solution to simple one-variable inequalities on a number line, including compound inequalities. They also see how to reverse the process, writing inequalities...
Krista King Math
Limit of an Inequality, with Squeeze Theorem
How do you find the limit of a function that doesn't have an algebraic representation? Viewers learn to find the limit of a function defined in terms of an inequality. The Squeeze Theorem comes in handy here.
Khan Academy
MTEL Math Practice Test: 9-11
This MTEL practice video focuses on problems 9-11, which include skill sets such as reading number lines and inequalities. Sal guides viewers through reading the question and working the equations with simple narration and colorful...
Curated OER
How Do You Solve a Decimal Inequality Using Division with Negative Numbers?
If your class is studying inequalities, consider this video. The focus is on solving a decimal inequality that has negative numbers in it. A lecturer works through an example problem, commenting on the steps and properties necessary to...
Curated OER
What is a Linear Inequality?
What makes an expression an inequality? Well, it would be considered an inequality if the expression has a greater than symbol, a less than symbol, a greater than or equal to symbol, or a less than or equal to symbol. This would mean...
Curated OER
How Do You Determine if an Ordered Pair is a Solution to a Linear Inequality?
Check to see if a given ordered pair is a solution to an inequality. Just plug the given values into the given inequality and do the math. If the resulting statement is true then the given ordered pair is a solution. If the statement is...
Curated OER
How Do You Solve an Inequality by Dividing by a Negative Number?
With an enthusiastic instructor who writes clear steps on a whiteboard, this video demonstrates how to solve an inequality by dividing by a negative number. What makes this video stronger is the second part of the video, in which the...
Curated OER
How Do You Compare Integers Using a Number Line?
Use a number line to plot the given points to compare their value. The given numbers in this problem are both negative so remember that whichever number is furthest to the right is the larger value. Watch this short video and see how to...
Curated OER
What Are Some Words We Use To Write Inequalities?
Prepare your learners to comprehend word problems that involve different types of inequalities. This tutorial provides an overview of the common phrases used to describe compound inequalities and absolute value inequalities. With this...