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Solve Problems Involving Rates and Ratios
By Khan Academy
Watch this video as the instructor clearly explains how to solve a word problem involving finding unit rates. When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. See how you can apply this process to help you solve similar problems.
Basic Rate Problem
By Khan Academy
This is a basic rate problem where the student is given a table with data and asked to find the rate of travel for 4 trains in order to compare their speed.
Average rate of change (example 2)
By Khan Academy
Khan Academy presents Average Rate of Change Example 2), an educational video resource on math.
Systems and rate problems
By Khan Academy
Systems and rate problems. All Khan Academy content is available for free at www.khanacademy.org
Solve Problems Involving Rates and Ratios
By Khan Academy
Watch this video as the instructor clearly explains how to solve a word problem involving finding unit rates. When rates are expressed as a quantity of 1 such as 2 feet per second or 5 miles per hour they are called unit rates. See how you can apply this process to help you solve similar problems.
Finding average rate of change
By Khan Academy
Given the formula of a function, Sal finds the interval where the function has an average rate of change of 1/2.
Finding average rate of change
By Khan Academy
Sal finds the interval in a function's graph where the function has an average rate of change of -4.
Given Linear Function, Find the Rate of Change and Initial Value
By Mathispower4u
Video showing how to find rate of change of a linear function.
Algebra Help: Distance, Rate, and Time
By MathTV
For high school students. Algebra Word Problem: Distance Rate and Time using two jets. Seasoned math instructor demonstates on white board. Uses colored markers for clarification.
Average rate of change word problems
By Khan Academy
Sal finds the algebraic expression that represents the average rate of change of water in a drained bucket over a given time interval.
Average rate of change word problems
By Khan Academy
Sal compares the average rates of a change of a function that models temperature for different time intervals.