order of operations 40 videos

Order of Operations
Algebra PreAlgebra
How to use the order of operations to simplify expressions.
simplify PEMDAS expression 
Order of Operations
PreAlgebra Integers
How to use the order of operations to simplify expressions.
simplify PEMDAS expression 
Complex Fractions and Order of Operations
PreAlgebra Fractions and MIxed Numbers
Simplifying fractions when simplifying with the order of operations

Common Algebra II Mistakes
Algebra 2 Additional Topics
How to avoid making an order of operation mistake.
pandas order of operations mistake error 
Matrix Operations
Algebra 2 Matrices
How to use simple matrix operations.
adding matrices scalar multiple matrix matrices 
Set Operation: Union
Precalculus Linear Equations and Inequalities
How to define union.
Venn diagram union set operation or 
Set Operation: Intersection
Precalculus Linear Equations and Inequalities
How to solve define intersection.
Venn diagram union set operation and 
Set Operation: Union
Algebra 2 Linear Inequalities
How to define union.
Venn diagram union set operation or 
Set Operation: Intersection
Algebra 2 Linear Inequalities
How to solve define intersection.
Venn diagram union set operation and 
Vector Operations in 3D
Precalculus Vectors and Parametric Equations
How to perform vector operations like addition, scalar multiplication, the dot product, and finding the magnitude, in three dimensions.
vectors components vector addition scalar multiplication the dot product the scalar product magnitude length three dimensions 
Solving Equations with Decimals
PreAlgebra Decimals and Percents
Review of operations with decimals in order to solve equations with decimals

Simplifying Determinants
Precalculus Systems of Linear Equations and Matrices
How to simplify determinants using three row (or column) operations.
determinant row operations column operations interchanging rows common factors adding a multiple of one row to another 
Translations
Geometry Transformations
How to describe a translation; how to interpret ordered pair rules.
transformation translation isometry coordinates ordered pair image 
Square Root Operations
Geometry Pythagorean Theorem
How to simplify square roots using two different methods.
Pythagorean theorem simplifying square roots adding square roots multiplying square roots rationalizing roots 
Square Root Operations
Trigonometry Pythagorean Theorem
How to simplify square roots using two different methods.
Pythagorean theorem simplifying square roots adding square roots multiplying square roots rationalizing roots 
ACT PreAlgebra
ACT ACT Math
Short, helpful video on ACT prealgebra by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
Pre algebra order of operations percents proportions ratios mean median mode 
Combinations vs. Permutations
Precalculus Topics in Discrete Math
How to know when to use combinations or permutations.
combination permutation order matters order doesn't matter