Educreations
Dividing Using Friendly Numbers
Simplify division for young mathematicians by teaching them how to use friendly numbers when finding quotients. Three examples are presented in this instructional video that models the process of breaking large dividends into sums of...
Curated OER
Mean, Median, and Mode
How many types of average are there? This video describes how to determine the mean, median, and mode of a set of numbers. Each type is worked through using one data set and the instructor shows the procedure for determining each.
Curated OER
Dividing Integers
Clear up the confusion surrounding division of negative numbers with this short video. Viewers will learn how to determine if the answer to an integer problem is going to be negative or positive, and they'll witness the tutor work...
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
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 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
What Does Divisibility Mean?
What do divisibility and factoring have to do with each other? Well, if a whole number is the divisor and a whole number is the answer then both those numbers are factors of the number being divided. But if the answer is a decimal number...
Curated OER
What's the Division Property of Equality?
A brief description of the division property of equality using variables to demonstrate. Learners might need more concrete examples to fully understand the concept.
Curated OER
What are Inverse Operations?
Explore inverse operations. Video viewers watch as a teacher shows how to "undo" an operation by using the opposite operation. By the end, learners should grasp that addition is the opposite of subtraction and division is the opposite of...
Curated OER
How Do You Solve a Decimal Inequality Using Division?
Divide decimals to solve this inequality! Learners can watch the instructor in this thorough video as she works through an inequality that contains decimals. This resource is appropriate for teaching, reinforcing, or reviewing the concept.
Curated OER
How Do You Solve a Word Problem Using Two Equations?
Two equations and two unknown variables in a word problem. Don't cry! Follow the instructor through these nine steps to find the solutions. Identify the variables, write the equations, solve for one of the variables, use the substitution...
Curated OER
What's a Divisor in a Rational Expression?
Divide, dividend, divisor? Will the real divisor please stand up? How do you know which part of a division problem is the divisor when you have a rational expression of algebraic fractions? Just remember it's the second number or the one...
Curated OER
How Do You Multiply and Divide Numbers with Different Signs?
After multiplying integers that have positive and/or negative signs, how is the sign of the product determined? This is a foundation skill that your pupils should know like the backs of their hands. If you need to reinforce the rules of...
Curated OER
Finding Unit Ratios
Duane Habecker demonstrates how he determines the unit ratio for each stick in a pack of gum. He does do a good job defining what a unit ratio is, but fails to follow through on explaining why the denominator needs to be equal to 1 and...
Curated OER
Finding the Whole from a Percent
He draws, problem solves, and uses proportions to show how to determine how to find a whole from a percent. Good problem solving strategies are at work in this video on percent. This is a good video for learners with a basic...
Curated OER
Dividing Whole Numbers by Decimals
Divide a whole number by a decimal, is that possible? Oh it's possible all right, and not that hard if you have a little help. Duane provides extra support by showing learners how to move a decimal in order to divide by a decimal number....
Curated OER
Changing Percents into Fractions
Find out what a percent is, how it relates to fractions, and how to change a percent into a fraction. Viewers are shown three different examples where 100 becomes the denominator and the newly formed fraction is reduced. This clip could...
Curated OER
Changing Improper Fractions into Mixed Numbers
If I have changed a mixed number into an improper fraction, can I change it back again? Of course you can. Watch and learn how to draw or divide to change an improper fraction into a mixed number. Watch along side another video showing...
Curated OER
Changing Fractions into Percents
While this method only works on certain fractions, it does help learners see the relationship between fractions and percentages. The tutor works through three example problems where he simply changes the denominator to 100 and then...
Curated OER
Changing Fractions Into Decimals
If your learners are in need of some assistance remembering the procedure necessary to change a fraction into a decimal, then they're in luck. This math tutorial will provide them with a quick, clear, and easy-to-follow example showing...
Curated OER
Functions: Multiplying and Dividing
FOIL to solve! That's easy, if you know how. If you don't it's OK, you can watch this clip and watch as the tutor describes how he solves functions involving multiplication and division using the FOIL method and factoring. The notation...
Curated OER
5th Grade: Dividing Fractions
This clip may be of some use, provided either as a tutorial for students or a methodology for a teacher. Dividing fractions is described and associated as flipping and dipping similar to rip and dip at Pizza Hut. Note: This video appears...
Curated OER
Secret Trick: Math Division Long
Upper graders and middle schoolers will love this clip. They'll learn how to divide large numbers mentally. The narrator uses addition (and what appears to be magic) to divide a six-digit number by a single-digit number. Really cool...
Curated OER
Complex Numbers - Multiplying and Dividing
Algebra In action! Watch the step-by-step process needed to multiply and divide complex numbers. The FOIL method is used to solve two different practice problems involving multiplication and multiplying by the conjugation is used to...