Let’s Learn Some Math.

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Geometry videos are below this on the left side

Algebra videos are below this on the right side

Secondary Math Basics

Simplifying Expressions

Order of Operations

Solving Equations

Solving Inequalities

Slope-Intercept Formula

Midpoint Formula

Distance Formula

Simplifying Radicals

Points, Lines, and Segments

Solving Systems of Linear Equations

Solving Linear Equations by Completing the Square

Solving Linear Equations by Substitution

Solving for X in Quadratic Equations

GEOMETRY👇

LINES & GRAPHS

SLOPE-INTERCEPT FORMULA

Midpoint Formula

Distance Formula

Points, Lines, and Segments

Foundations for Geometry

1-1 Points, Lines, & Planes

1-2 Measuring & Constructing Segments

1-3 Measuring & Constructing Angles

1-4 Pairs of Angles

1-5 Using Formulas in Geometry

1-6 Finding Midpoint & Distance in the Coordinate Plane

1-7 Transformations in the Coordinate Plane

Geometric Reasoning

2-1 Using Inductive Reasoning to Make Conjectures

2-2 Conditional Statements

2-3 Using Deductive Reasoning to Verify Conjectures

2-4 Biconditional Statements and Definitions

2-5 Algebraic Proof

2-6 Geometric Proof

2-7 Flowchart and Paragraph Proofs

Parallel & Perpendicular Lines

3-1 Lines and Angles

3-2 Angles Formed by Parallel Lines and Transversals

3-3 Proving Lines Parallel

3-4 Perpendicular Lines

3-5 Slopes of Lines

3-6 Lines in the Coordinate Plane

Triangle Congruence

4-1 Classifying Triangles

4-2 Angle Relationships in Triangles

4-3 Congruent Triangles

4-4 Triangle Congruence: SSS and SAS

4-5 Triangle Congruence: ASA, AAS, and HL

4-6 Triangle Congruence: CPCTC

4-7 Introduction to Coordinate Proof

4-8 Isosceles and Equilateral Triangles

Properties and Attributes of Triangles

5-1 Perpendicular and Angle Bisectors

5-2 Bisectors of Triangles

5-3 Medians and Altitudes of Triangles

5-4 The Triangle Midsegment Theorem

5-5 Indirect Proof and Inequalities in One Triangle

5-6 Inequalities in Two Triangles

5-7 The Pythagorean Theorem

5-8 Applying Special Right Triangles

Polygons and Quadrilaterals

6-1 Properties and Attributes of Polygons

6-2 Properties of Parallelograms

6-3 Conditions for Parallelograms

6-4 Properties of Special Parallelograms

6-5 Conditions for Special Parallelograms

6-6 Properties of Kites and Trapezoids

Similarity

7-1 Ratio and Proportion

7-2 Ratios in Similar Polygons

7-3 Triangle Similarity: AA, SSS, and SAS

7-4 Applying Properties of Similar Triangles

7-5 Using Proportional Relationships

7-6 Dilations and SImilarity in the Coordinate Plane

Right Triangles and Trigonometry

8-1 Similarity in Right Triangles

8-2 Trigonometric Ratios

8-3 Solving Right Triangles

8-4 Angles of Elevation and Depression

8-5 Law of Sines and Law of Cosines

8-6 Vectors

ALGEBRA👇

Unit 1: Positives and Negatives

Adding Real Numbers // Full Lesson

Subtracting Real Numbers // Full Lesson

Associative Property of Addition

Commutative Property of Addition

Inverse Property of Addition

Additive Identity Property

Adding Numbers

Adding Fractions with Radicals

Adding Matrices

Adding Fractions w/ Common Denominators

Adding Fractions w/o Common Denominators

Associative and Commutative Properties

Symmetric Property of Equality

Additive Inverse

Adding and Subtracting Fractions

Subtracting Real Numbers

Subtracting a Negative

Subtracting Fractions

Adding and Subtracting Fractions

Unit 2: Order of Operations / Evaluation

Order of Operations // Full lesson

How to do the Order of Operations

Order of Operations EASY Example

Order of Operations MEDIUM Example

Order of Operations HARD Example

Order of Operations with Exponents

Order of Operations | Problem

Order of Operations EASY Example 2

Order of Operations HARD Example 2

Order of Operations MEDIUM Example 2

Expressions and Variables // FULL LESSON

How to Evaluate

Algebraic Expressions HARD Example

Algebraic Expressions

What is a Variable?

Unit 3: Fractions

Prime Factorization

How to Reduce Fractions

Finding the GCF (Greatest Common Factor)

Finding the GCF of 3 Numbers

Terms in Math

Decimals into Fractions | Problem

How to Multiply Fractions

Adding Fractions with Radicals

Subtracting Fractions

Adding and Subtracting Fractions

Multiplying and Dividing Fractions

How to Reduce Fractions

How to Divide Fractions

How to Divide Fractions 2

Adding Fractions w/o Common Denominators

Adding Fractions w/ Common Denominators

Dividing by a Negative Fraction | Problem

ACT/SAT PREP: Comparing Fractions

Unit 4: Absolute Value

Absolute Values

Absolute Value for Beginners

Solving Inequalities w/ Absolute Values

Absolute Value Inequalities // Problem

Solving Problems with Absolute Value // Problem

ACT/SAT PREP: Functions with Absolute Value

Absolute Value with No Solution // Problem

Unit 5: Simplifying with Variables

What are Like Terms in Algebra?

Combining Like Terms

How to Combine like Terms

Combine Like Terms - 3(x-2)+2x=14

How to Distribute in Math

The Most Common Mistake in Distributing

How to Distribute when the Number is Behind the Parenthesis

Solving Equations with Distributing | Problem

Distributing | Problem

Solving Equations with Distribution | Problem

Solving Equations with Distribution