Curated OER
Addition Techniques
Charley and Professor Perez show us how to add numbers in a variety of ways. They use a number line to show how the various methods work. This clip shows learners that there are multiple ways to solve any addition problem. Intended for...
Curated OER
How Do You Solve an OR Compound Inequality and Graph It On a Number Line?
Go over how to solve a compound inequality and graph it with this video. The video is clear and concise. A lecturer solves a compound inequality and graphs it on the spot, explaining each operation in detail. Great for in-class or...
Curated OER
How Do You Solve and Graph a Two-Step Inequality?
Approach inequalities in a new way with this video! This video gives step-by-step instruction on how to solve a 2-step inequality and then graph the answer. Learners could use this video as a reference as they do homework, or you might...
Curated OER
What's an Integer?
Introduce your class to integers with this video. This video provides a definition of integers, using examples of numbers that are integers and numbers that are not. A straightforward video that could be used to teach the concept as well...
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 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.
Mathispower4u
Adding Integers
It's always nice to have two methods to count on. Young mathematicians learn to add integers by watching a short YouTube video. It covers addition using a number line and through the use of integer rules.
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
What's a Real Number?
A real number is any number that you can find on a number line. This includes rational and irrational numbers, which means positive numbers, negative numbers, decimal numbers, square root numbers and even pi.
Curated OER
How Do You Put Fractions and Decimals in Order?
Many young mathematicians skip problems like this because they just don't want to do the work to figure it out. A series of fractions and decimal numbers that they have to put in some order. So they have to do some converting and if long...
Curated OER
How Do You Compare Fractions by Converting to Decimals?
Two fractions with unlike denominators. Compare and figure out which one is greater. There are a couple of ways to do this. This time change the fractions to decimals to compare. Once the values are found, they can also be plotted on a...
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
How Do You Subtract Integers Using a Number Line?
There are times when you might want to use a number line to help you visually understand what is happening mathematically. Subtracting integers might be one of those times. So take a look and see which direction you need to move on the...
Curated OER
How Do You Figure Out if an Absolute Value Inequality is an AND or OR Compound Inequality?
The problem is to determine if a given inequality represents an AND or OR compound inequality. There has to be a way to make that determination. Well, one way is to graph it on a number line and actually see what happens. Do the lines...
Curated OER
How Do You Solve an AND Compound Inequality and Graph It On a Number Line?
Solving a compound inequality is not as difficult as it might seem at first. Just break it apart and solve each side as an individual problem. See how to write these two solutions in set-builder notation. Then graph each inequality on...
Curated OER
How Do You Put Fractions, Decimals, and Percents in Order?
A series of fractions, decimal numbers, and percentages that have to be put in some order. Many young mathematicians skip problems like this because they have to do some converting and if long division is involved many definitely skip...
Curated OER
How Do You Graph a Set on a Number Line?
Graph a set of numbers on a number line by placing a dot on the number line to represent each number in the given set.
Curated OER
How Do You Graph the Intersection of Two Inequalities?
Intersection. Isn't that where paths cross? And so it is in math also. Observe the teacher as she draws a number line and plots two inequalities on it. She then explains how to get the intersection of these two lines. Then she draws...
Curated OER
Comparing Integers
When you compare integers to determine their order or which is largest, you can plot them on a number line. Duane demonstrates how to use a number line, plot integers, make a comparison, then determine which integer is largest and which...
Curated OER
Adding Integers with the Same Sign (2)
As a follow up to his video on adding integers with the same sign, Duane created this shortcut video to make life easier. He tells learners they can ditch the number line and just add the absolute value of each number and attach the sign.
Curated OER
Adding Integers with the Same Sign (1)
Duane uses a vertical number line to show learners how to add integers with the same sign. The vertical number line is an effective visual tool that will help viewers better understand exactly what happens when two positive or two...
Curated OER
How Do You Name a Set That's Graphed on a Number Line?
Identify the numbers on a number line that are represented by a dot. Then write the numbers in a bracket set starting on the left and moving to the right.
Curated OER
How Do You Graph a Set on a Number Line?
Graph a set of numbers on a number line by placing a dot on the number line to represent each number in the given set.
Virtual Nerd
What is Absolute Value?
As long as you keep in mind that there is no such thing as negative distance, then you will know the meaning of absolute value. The teacher writes on a white board to explore integers on a number line, give a definition of absolute...