Instructional Video9:20
KnowMo

Adding Fractions with Different Denominators

12th - Higher Ed
This video is a lecture on adding fractions together. The speaker explains that in order to add two fractions together, they must have the same denominator. The speaker goes on to demonstrate examples using pie as an analogy for...
Instructional Video1:44
Brian McLogan

Solve a one step equation using subtraction of fractions

12th - Higher Ed
👉 Learn how to solve one step linear equations. By one step we mean equations that take one step to solve. The one step is the inverse operation needed to isolate the variable such as addition, subtraction, division and multiplication...
Activity5:34
PBS

Math with Jake: Ratios and Fractions

6th - 8th Standards
And the beat goes on. The installment of the Math at the Core: Ratios series introduces time signatures in music. A musician shows the relationship between different types of musical beats. Working in pairs, classmates create beat...
Instructional Video4:49
Krista King Math

Addition and Subtraction of Rational Expressions

9th - 12th Standards
A rational expression is a fraction where the denominator and/or the numerator is a polynomial. The resource presents rational expressions and how to add and subtract them. Additionally, the video connects the addition and subtraction of...
Instructional Video4:10
Curated OER

What is a Multiple?

5th - 8th
Multiplication is just repeated addition. Multiples are products of multiplying the same number, or of adding the same number repeatedly. It is useful to know about multiples to find least common multiples between numbers. Watch this...