Curated OER
How Do You Solve an Inequality by Multiplying by a Positive Number?
Instruct your pupils on solving inequalities by multiplying by positive numbers with this video. The video presents how to do just this in step-by-step fashion. A straightforward video, this could be used to supplement your lesson during...
Curated OER
How Do You Solve an Inequality by Multiplying by a Negative Number?
Help your learners grasp inequalities with this video. A lecturer leads viewers through solving an inequality by multiplying by a negative number, citing the multiplication property of inequality and finishing with set notation. This is...
Curated OER
How Do You Solve an Inequality by Dividing by a Positive Number?
Is your class working on inequalities? If so, you might be interested in this video. This well-made video shows how to solve an inequality by dividing by a positive number. An instructor details each step, writing out her work as she...
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 Solve a Multi-Step Inequality?
Investigate inequalities with this instructional video. A lecturer presents an inequality that will take multiple steps to complete and works through the problem step-by-step, numbering and labeling each action she takes. This video is...
Curated OER
How Do You Solve a System of Inequalities by Graphing?
You've got a linear system of inequalities? You need to solve it by graphing? No sweat. Make sure that each equation is in slope-intercept form and then graph each equation. Is it a solid line or a dashed line? Which side of the line...
Curated OER
How Do You Figure Out if a Square Root is Bigger than Another Number?
You have been given a square root and need to compare that to a decimal number to find out which one is bigger. How can you make that comparison? One way to do this is to find the square root of the square root number and then compare it...
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.