oxidation number method 102 videos

Addition and Subtraction with Mixed Numbers
PreAlgebra Fractions and MIxed Numbers
Adding or subtracting mixed numbers by either converting them to improper fractions or working with the integer part and the fractional part separately

The Discriminant of a Quadratic Equation
Algebra 2 Quadratic Equations and Inequalities
How to use the discriminant to know the number and type of solutions to a quadratic.
discriminant type of solution number of solutions type of roots number of roots 
Scientific Notation
Algebra 2 Exponents
How to move between scientific notation and standard notation of numbers.
scientific notation standard notation big numbers small numbers 
Survey and sample methods
PreAlgebra Introductory Statistics
Vocabulary of population parameters and sample statistics

DeMoivre's Theorem
Precalculus Polar Coordinates and Complex Numbers
How to raise a complex number to an integer power using DeMoivre's Theorem.
complex numbers trigonometric form modulus argument 
Optimization Using the Closed Interval Method
Calculus Applications of the Derivative
How to evaluate the limit of a function at points where it is not continuous.

Adding Vectors
Precalculus Vectors and Parametric Equations
How to add vectors geometrically two ways.
Displacement Vector Addition Head to Tail Method Parallelogram Method 
PCR  DNA Fingerprinting
Biology Molecular Biology
The PCR method of DNA Fingerprinting.
PCR DNA fingerprinting gel electrophoresis polymerase chain reaction 
RFLP  DNA Fingerprinting
Biology Molecular Biology
The RFLP method of DNA Fingerprinting.
RFLP DNA fingerprinting restriction fragment length polymorphism 
Compound Interest (Finite Number of Calculations)
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to use the compounded interest formula to find the value of an investment.
interest compound interest daily monthly weekly quarterly rate 
Compound Interest (Finite Number of Calculations)
Precalculus Exponential and Logarithmic Functions
How to use the compounded interest formula to find the value of an investment.
interest compound interest daily monthly weekly quarterly rate 
Probability
PreAlgebra Introductory Statistics
Probability is number of successes out of number of possible outcomes

The Discriminant
Algebra Quadratic Equations and Functions
How to calculate and interpret the discriminant of a quadratic equation.
discriminant x intercepts number of solutions 
Definitions and Applications of Absolute Value
Algebra Absolute Value
What is absolute value?
absolute value number line distance 
Adding and Subtracting
PreAlgebra Whole Numbers
Using the number line to represent adding and subtracting whole numbers

Significant Figures
Chemistry Introduction to Chemistry
How to find the correct number of figures to show when writing numbers.
significant figures digits rounding