percent change 49 videos


Percent Change
PreAlgebra Decimals and Percents
How to calculate a percent change, percent increase, or percent decrease

Percents
Algebra PreAlgebra
How to set up percent problems as proportions.
percent cross multiply proportion 

Percent Yield
Chemistry Chemical Reactions
How to find percent yield for chemical experiments.
percent yield ratio actual yield theoretical yield 
Percent Concentrations
Algebra Word Problems Using Systems of Equations
How to solve word problems about mixing two liquids with different percent concentrations.
percent concentration mixture 
Climate Change
Biology Conservation Biology
The effects of climate change.
climate change greenhouse effect weather patterns 
Equilibrium Changes
Chemistry Chemical Equilibrium
How Le Chatlier changes affect chemical equilibrium.
Le Chatelier's principle equilibrium changes 
Change of Base Formula
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to use the change of base formula for logs to evaluate a logarithmic statement.
change of base log logarithm 
Change of Base Formula
Precalculus Exponential and Logarithmic Functions
How to use the change of base formula for logs to evaluate a logarithmic statement.
change of base log logarithm 
Phase Change
Chemistry KineticMolecular Theory
How to predict and understand the circumstances under which matter changes phase.
phase changes melting freezing condensation vaporization sublimation deposition 
Average Rate of Change
Calculus The Derivative
How to compute the average rate of change of a population over an interval of time.
average rate of change population time change in population change in time population models rate of increase 
Definite Integrals As Net Change
Calculus The Definite Integral
How to use the fundamental theorem of calculus to compute the net change of a quantity.
definite integral net change rate of change net change theorem fundamental theorem of calculus 

Instantaneous Rate of Change
Calculus The Derivative
How to estimate the instantaneous rate liquid is pouring out of a container at t=4 by computing average rates of change over shorter and shorter intervals of time.
average rate of change instantaneous rate of change change in quantity change in time limits 
Applications of Fractions, Decimals, Percents
PreAlgebra Decimals and Percents
Applications of fractions, decimals, and percents

Estimating Percents
PreAlgebra Decimals and Percents
Using 1% or 10% to estimate other percents of a given number

Converting Decimals, Percents, Fractions
PreAlgebra Decimals and Percents
How to convert between fractions, decimals, and percents

Word Problems With Percents
PreAlgebra Decimals and Percents
Listing possible real world applications of percents

Boiling
Physics Heat Transfer and Change of Phase
How matter changes phase from liquid to gas.
boiling boil phase change