avogadros number 76 videos

Significant Figures
Chemistry Introduction to Chemistry
How to find the correct number of figures to show when writing numbers.
significant figures digits rounding 
The Euler Formula
Precalculus Polar Coordinates and Complex Numbers
How to use the Euler Formula to convert a complex number from the exponential form to rectangular form.
complex numbers trigonometric form Euler formula e sine cosine modulus argument 
Cube Roots
Algebra Radical Expressions and Equations
How to find the cube root of a number.
cube root 

Permutations
Precalculus Topics in Discrete Math
How to find the number of permutations of a set.
different arrangement permutation factorial permute 
Combinations
Precalculus Topics in Discrete Math
How to find the number of combinations of a set.
chose choosing combination order doesn't matter pens 
Permutations
Algebra 2 Combinatorics
How to find the number of permutations of a set.
different arrangement permutation factorial permute 
Combinations
Algebra 2 Combinatorics
How to find the number of combinations of a set.
chose choosing combination order doesn't matter pens 
Pronoun Antecedent Agreement
Grammar Sentence Basics
The rules for pronoun and antecedent agreement.
pronoun antecedent agreement person number gender 
Mean
Algebra Introduction to Statistics
How to calculate the mean, or average, of a list of numbers.
mean measure of center average 
Addition and Subtraction
PreAlgebra Integers
Understanding the set of integers in contrast to the whole or natural numbers

Multiplication and Division
PreAlgebra Integers
Learn how to multiply and divide positive and negative numbers.

Divisibility
PreAlgebra Prime Numbers
Shortcuts to determine whether a number is a factor of another

Prime Factorization
PreAlgebra Prime Numbers
Identifying prime numbers and finding prime factorizations

Comparing Fractions
PreAlgebra Fractions and MIxed Numbers
Comparing fractions using < or > and ordering them on the number line

Graphing One Variable Inequalities
PreAlgebra Solving Equations and Inequalities
Graphing one variable inequalities on a number line

Classifying and Naming
PreAlgebra Polynomials
Vocabulary of classifying polynomials by degree and number of terms

Evaluating a Logarithmic Expression in terms of Known Quantities
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to break up a logarithm of a large number.
product rule of logs quotient rule of logs expand 
Evaluating a Logarithmic Expression in terms of Known Quantities
Precalculus Exponential and Logarithmic Functions
How to break up a logarithm of a large number.
product rule of logs quotient rule of logs expand