Curated OER
How Do You Find the Greatest Common Factor of Three Numbers?
Use prime factorization to find the greatest common factor of three given values. What are the factors that all three given numbers have in common? Identify them, and then multiply together to get the greatest common factor. Just like...
Curated OER
How Do You Find the Greatest Common Factor of Monomials?
Use prime factorization to find the greatest common factor of four given values. What are the factors that all four given values have in common? Identify them, and then multiply together to get the greatest common factor. Just like that....
Curated OER
How Do You Factor a Greatest Common Factor Out of an Expression?
What is the greatest common factor of two terms in an expression? First prime factor each of the terms. Then find the factors that they have in common. Multiply if needed. That is how to find the greatest common factor. Watch the video...
Curated OER
How Do You Evaluate an Expression with Exponents?
An algebraic expression and a given value for the variable. Use the substitution property of equality to plug in the given value and solve the expression. Be careful and use the order of operations correctly because there is an exponent...
Curated OER
How Do You Put Fractions in Order Using an LCD?
Put fractions with different original denominators in order using the least common denominator. Once she has shown how to find the least common denominator, an instructor constructs equivalent fractions that are more easily compared to...
Curated OER
How Do You Find the Least Common Multiple by Listing Common Multiples?
Cover the least common multiple with this tutorial. A decent video that shows the steps necessary for finding the least common multiple among three numbers, this resource could prove useful in or out of class. You might give this to...
Curated OER
What is a Common Multiple and Least Common Multiple?
A common multiple is exactly what it says it is: a multiple that two or more numbers have in common. So then a least common multiple would be the smallest common multiple that two or more numbers have in common. Watch this video to see...
Curated OER
How Do You Find the Factors of a Monomial?
Usually you are supposed to write things in simplest form, but now you need to go backwards and write it in factored form. Some of you may look at it and think it's expanded form. Either way you look at it, watch the teacher break it...
Curated OER
How Do You Graph a Relation From a Table?
Just a couple of ways to look at some data regarding basketball free throw percentages for a specific player. Make a table and a coordinate axes graph. Plot the ordered pairs to get a nice visual to take a look at the data. Watch this...
Curated OER
How Do You Graph Ordered Pairs in Each Quadrant?
Draw a graph, label your units, make a table of your given coordinates. Now plot your points, label each point as you graph it. Next identify the quadrant that each point is in and add that to your table.
Curated OER
How Do You Do Long Multiplication?
Multiplying multi-digit numbers without a calculator. First, make sure you align the numbers properly. It's not just about multiplying, there's carrying numbers and adding numbers and placeholders. You can do it, just remember to line up...
Curated OER
What are Positive and Negative Numbers?
Is zero positive or is it negative? Are all positive numbers to the right of zero on the number line? Are all negative numbers to the left of zero on the number line? Are all positive numbers greater than zero? Are all negative numbers...
Curated OER
What is the Opposite, or Additive Inverse, of a Number?
Teach your class about the additive inverse! Using examples first and a definition second, this video explains what the additive inverse it and how to find the additive inverse of any given number or variable. A quick concept review for...
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 Translate Phrases into Numerical Expressions?
Translating verbal phrases into numerical expressions can often be tricky. Your pupils most likely need to practice these. The instructor helps identify key terms by first identifying the operation. Then she looks for the numerical...
Curated OER
What is the Substitution Property of Equality?
Explore the substitution property of equality with this video. The resource uses examples to define the property, showing how to replace a variable with a value. Use this to help struggling learners or as review for an upcoming test. A...
Curated OER
How Do You Complete a Table By Plugging in Values?
Given a table of values and an algebraic expression, plug in the given values and complete the table. There are many, many uses for tables and this one provides some beginning level practice.
Curated OER
How Do You Add Integers Using a Number Line?
Confused about adding integers? Use a number line to help you get a visual on which way to move according to the sign of the numbers. Negative means you move left on the number line and then of course positive numbers mean you move to...
Curated OER
What is a Scale Drawing?
Scale drawings are an easy and plausible way to represent large things, such as roads and buildings, on paper. This tutorial explains what a scale drawing is and uses the example of a house to demonstrate how a scale drawing works. It...
Curated OER
How Do You Find Equivalent Ratios?
Ratios are a comparison of numbers. So given a ratio, how can an equivalent ratio be written? Just multiply or divide, both the numerator and the denominator, by the same value. The result will be different numbers, but equal values that...
Curated OER
What is an Unbiased Sample?
Transmit to your class what an unbiased sample is with this video. The video goes into detail about what an unbiased sample looks like, providing examples and listing several different types of random sampling. This could be used when...
Curated OER
How Do You Find the Probability of a Simple Event?
A bag contains marbles of different colors. You put your hand in the bag to grab a marble. What are your chances of picking a given color? Learn how to set up this probability word problem and then solve it.
Curated OER
How Do You Find the Range of a Data Set?
Looking for the range of a set of numbers? Well, that means you are looking for the difference between the largest value and the smallest value. So first, write the numbers in order from least to greatest. Then identify the largest value...
Curated OER
What is the Median of a Data Set?
Mean, mode, median? What's the difference? How do you find them? The teacher focuses on explaining median in this video. She gives a good explanation and shows several examples using different sets of numbers.