# class order   44 videos

• #### Order of Operations

##### AlgebraPre-Algebra

How to use the order of operations to simplify expressions.

simplify PEMDAS expression
• #### Order of Operations

##### Pre-AlgebraIntegers

How to use the order of operations to simplify expressions.

simplify PEMDAS expression
• #### Order of Difficulty

##### SATSAT Math
strategies test structure target score order of difficulty picking difficult questions
• #### Complex Fractions and Order of Operations

##### Pre-AlgebraFractions and MIxed Numbers

Simplifying fractions when simplifying with the order of operations

• #### Common Algebra II Mistakes

How to avoid making an order of operation mistake.

pandas order of operations mistake error
• #### A Working-Class Hero

##### AP US HistoryAP US History Videos

Trace the major events, groups, and people of the labor movement.

The labor movement AFL Progressive movement Cesar Chavez Ronald Reagan

• #### Classification Overview

##### BiologyClassification

An overview of Biology classification systems.

classification kingdom phylum class order family genus species domain
• #### Translations

##### GeometryTransformations

How to describe a translation; how to interpret ordered pair rules.

transformation translation isometry coordinates ordered pair image

• #### Combinations vs. Permutations

##### Algebra 2Combinatorics

How to know when to use combinations or permutations.

combination permutation order matters order doesn't matter
• #### Combinations vs. Permutations

##### PrecalculusTopics in Discrete Math

How to know when to use combinations or permutations.

combination permutation order matters order doesn't matter

• #### Introduction to Polynomials

##### Algebra 2Polynomials

polynomial descending order degree
• #### Comparing Fractions

##### Pre-AlgebraFractions and MIxed Numbers

Comparing fractions using < or > and ordering them on the number line

• #### Solving Equations with Decimals

Review of operations with decimals in order to solve equations with decimals

• #### The Identity Matrix

##### PrecalculusSystems of Linear Equations and Matrices

How to determine the identity matrix of order n.

matrices square matrices the identity matrix matrix multiplication
• #### Reflections

##### GeometryTransformations

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