order of difficulty 29 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 
Translations
Geometry Transformations
How to describe a translation; how to interpret ordered pair rules.
transformation translation isometry coordinates ordered pair image 
Combinations vs. Permutations
Algebra 2 Combinatorics
How to know when to use combinations or permutations.
combination permutation order matters order doesn't matter 
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 
Introduction to Polynomials
Algebra 2 Polynomials
How to talk about polynomials.
polynomial descending order degree 
Strategies for the Math Section
PSAT PSAT Prep
Get familiar with the PSAT Math section, learn the main strategies to master it and improve your PSAT test score
reading the questions choosing your own numbers using figures and diagrams plugging in answers order of difficulty 
Comparing Fractions
PreAlgebra Fractions and MIxed Numbers
Comparing fractions using < or > and ordering them on the number line

Solving Equations with Decimals
PreAlgebra Decimals and Percents
Review of operations with decimals in order to solve equations with decimals

The Identity Matrix
Precalculus Systems of Linear Equations and Matrices
How to determine the identity matrix of order n.
matrices square matrices the identity matrix matrix multiplication 
Reflections
Geometry Transformations
How to describe the effect of a reflection, how to describe the effect of the ordered pair rules (x,y) > (x, y),(x,y) > (x, y), (x,y) > (y, x).
transformation isometry orientation image equidistant ordered pair rules map x axis y axis line y = x 
Distance Formula
Geometry Pythagorean Theorem
How to derive the equation for the distance between two points using the Pythagorean Theorem.
distance coordinate plane ordered pair segment 
Combinations
Algebra 2 Combinatorics
How to find the number of combinations of a set.
chose choosing combination order doesn't matter pens