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Videos

How to Calculate the Slope
How to Calculate the Slope
This video explains how to find the steepness of a hill by calculating its slope, or rise divided by run.
How to Solve an Equation With Variable Terms
How to Solve an Equation With Variable Terms
This video explains how students can set two expressions equal to each other, then find the value of the variable that makes the expressions…
Mental Math: Find Quotients
Mental Math: Find Quotients
In this video, Carlos learns to divide large multiples of tens using basic division facts.
Number Line: Fractions Less Than 1
Number Line: Fractions Less Than 1
In this video, Carlos learns how to use a number line to determine the value of fractions.
Sign Rules for Multiplying Positive and Negative Integers
Sign Rules for Multiplying Positive and Negative Integers
Students learn about same and different signs in this video. When they have different signs the product is negative, while same signs means the…
The Distributive Property for Complex Multiplication
The Distributive Property for Complex Multiplication
In this video, Daniel uses the distributive property to help Marta solve complex multiplication.
Using Inverse in Multiplication and Division
Using Inverse in Multiplication and Division
This video shows students the inverse relationship between multiplication and division. They will also learn to use the inverse to check their…
Zebra and Spider: Sense of Touch
Zebra and Spider: Sense of Touch
Find information and a video about an unlikely pair, zebra and spider, two animals that share a heightened sense of touch.
Bat and Owl: Night Hearing
Bat and Owl: Night Hearing
Find information and a video about the nocturnal predator bat, its use of echolocation to find prey and ultrasound songs to attract a mate.
Convert Customary Units of Weight
Convert Customary Units of Weight
In this video, Carlos learns how to convert between pounds and tons.