Curated OER
More Advanced Ratio Problem-- with Algebra (HD version)
This lesson is a bit more challenging, but Sal provides an excellent step-by-step explanation. He uses of different colors to help learners follow the process for solving this problem. As he solves one problem, he poses another and...
Curated OER
Introduction to Ratios (new HD version)
Sal defines ratios. Then he shows how to write ratios three different ways. This concept is then demonstrated with four examples for finding quantities by using ratios.
Curated OER
Advanced Ratio Problems
The instructor continues to build ratio problem-solving skills algebraically. The two examples are very involved but are thoroughly explained using algebraic steps.
Khan Academy
SAT Prep: Test 8 Section 8 Part 3
The final video of the SAT practice series takes students through increasingly complicated algebra and geometry problems, but Sal works steadily through each mathematical process. At the end of the video he tells students that they are...
Scholastic
Study Jams! Decimal & Fraction Equivalents
If a candy bar costs 3/4 of a dollar, can your mathematicians figure out the cost in cents? After watching this animated video, your learners will see that every fraction can be a decimal and every decimal can be a fraction. The video...
Curated OER
Dividing Fractions
How on earth do you divide a fraction? This video answers that question in just over one minute. You'll learn that you don't actually divide fractions, but multiply them by their reciprocal. The entire procedure is explained in this...
Khan Academy
MTEL Math Practice Test: 31-35
Applying algebra and geometry skills, a set of problems tests the viewer with questions about area, radius, and proportions. An excellent review for even the most confident future math teacher, the video is sure to help with the correct...
Curated OER
How Do You Subtract Mixed Fractions with Different Denominators by Regrouping?
Are your young mathematicians having trouble with subtracting mixed fractions? Consider this video to supplement your teaching. An instructor explains step-by-step how to subtract mixed fractions with unlike denominators showing viewers...
Curated OER
How Do You Add Two Fractions with the Same Denominator?
Adding fractions? Do they have a common denominator? Then all that needs to be done is to add the numerators and keep the value of the denominator the same.
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 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
How Do You Compare Fractions by Finding a Common Denominator?
How can you tell if two fractions are equal or different when they have different denominators? Watch this video to find out! A tutorial on common denominators, this video explains each step necessary to find common denominators, create...
Curated OER
How Do You Solve an Inequality Where You're Multiplying Positive Fractions?
Provide this video as additional instruction on how to solve inequalities when you need to multiply positive fractions. The focus of this video is on how to use the multiplication property of inequalities correctly. The lecturer explains...
Curated OER
How Do You Solve an Inequality Where You're Multiplying Negative Fractions?
Examine the multiplication property of inequality with this video. An instructor goes through a problem, detailing how to solve an inequality when you need to multiply negative fractions. She defines reciprocal and puts the final...
Curated OER
How Do You Distribute With Whole Numbers and Fractions?
This lesson on the distributive property is probably a review for algebra I mathematicians. But it doesn't hurt to reinforce this skill of multiplying a whole number times the sum of fractions. The teacher shows two ways to multiply the...
Curated OER
How Do You Figure Out Which of Two Fractions is Bigger?
Trying to decide which method to use to compare the value of two fractions? You could find a common denominator, you could turn them into decimals, or you could cross multiply. Let's cross multiply because we like to multiply more than...
Curated OER
How Do You Solve a Word Problem Where You Multiply and Subtract Whole Numbers and Fractions?
There is only one variable in this word problem. Yeah! So unpack the words and write them as a mathematical expression. Then make sure to use the order of operations to solve and arrive at the solution.
Curated OER
How Do You Multiply Fractions?
It only takes this tutorial one minute and nine seconds to explain how the multiply fractions together. You'll learn how to find the product of the fractions 3/4,1/2, and 1/3, don't forget to reduce.
Curated OER
How Do You Solve a Word Problem Using a Percent Proportion?
Create a percent proportion using the given values in this word problem. Not sure how to set that up? Then watch this short video and see how the teacher sets up this percent proportion according to the given values.
Curated OER
Zero in the Denominator
Jim Yang does a great job clearing up any issues learners might have when dealing with zero as a denominator. This clip is clear, well done, and makes sense. Use at an independent work station or send home as a helpful tutorial.
Curated OER
Multiplying Fractions (2)
Review how to multiply fractions in this quick video that outlines three simple steps. The video gives two examples that follow the steps. Note: There is no audio in this video.
Curated OER
Fraction Terms
A pint sized math master shares what he knows about fractions. He clearly defines what the denominator and numerator is, what they represent, and what a fraction is. He is a little flustered and his delivery is rushed, but he's got a...
Curated OER
Finding the Reciprocal
Can the concept of finding the reciprocal be shown in 50 seconds? Sounds impossible but Fraction Freddy literally flips over to show what the inverse of 4/5 is. Kids will love the highly visual elements used to demonstrate the term...
Curated OER
Long Division of Numbers - Arithmetic Basics
Watch and learn how to do long division. You'll see and hear the process in an easy to follow step-by-step way. There is no doubt that this is a helpful tutorial great for those in need of a long division refresher. Multiple colors and...