Lesson Help videos

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Pre-Algebra Help Videos

Order of Operations

1-2 Translating Algebraic Expressions

1-2 Evaluating variable expressions

1-4 Graphing Ordered Pairs on a Coordinate Plane

1-5 Function tables (1st half of video)

1-5 Function rules examples from word problems

1-6 Scatter plots and lines of fit (Mr. Buffington)

2-1 Introduction to Integers and comparing positive and negative numbers

2-1 Absolute value

2-2, 2-3 Adding and Subtracting Integers

Multiply/Divide Integers (mathantics)

Multiplying/Dividing Integers song

2-5 Finding the Mean with Integers

2-6 Graphing Integers on the Coordinate Plane

2-7 Translations math shorts

2-7 Reflections math shorts

2-7 Reflection about the x and y axis example

2-7 Translating an object example

2-7 Reflecting example

3-1 Converting Fractions into Decimals (math antics)

3-2 Converting Decimals to Fractions (math meeting)

3-2 Classifying numbers (moomoomath)

3-3 Cross cancellation (Ms. Hyland)  

3-3  Multiplying Fractions with Cross Cancelling (method 2 on the video)

3-4 Dividing Fractions (math meeting)     3-4 Dividing Mixed Mixed Numbers (math meeting)

3-4 Dividing Fractions (mathantics) but cross cancel before multiplying

3-5, 3-6 Adding and Subtracting Fractions (math antics)       3-6 LCD Adding and Subtracting Fractions

4-1 Basic Distributive Property                     4-1 Distributive property (mathantics)

4-1 More Distributive Property examples

4-2 Terms, Like Terms, Coefficients, and Constants

4-2 Combining like terms (Mr. Buffington)

4-2 Combining like terms (James Neal)

4-2 Distribution and Combining like terms (great practice)

4-3,4-4 Solving 1 step equations (mathantics)

4-3, 4-4, 4-5 Solving 1 and 2 step equations

4-3 Solving basic 1 step equations by adding and subtracting (up until 8:10)

4-4 Solving equations by multiplying and dividing

4-5 Solving two step equations   

4-5 One and Two step equations practice (James Neal)      

4-5 Solving multi step with one fraction (together) Mr. Buffington

4-5 Solving by first combining like terms

5-1 Area of Rectangles and Triangles                     5-1 Perimeter

5-2 Solving Equations with variables on both sides 

5-2 Solving Equations with variables on both sides       5-2 Solving equations with variables on both sides (Mr. Buffington)

 5-3 Basic graphing inequalities        5-3 Graphing inequalities                   5-3 Tran

slating Inequalities (Mr. Buffington)

5-3/5-4 Graphing and solving inequalities

5-4 Solving Inequalities (math dude)

6-1/ 6-2 Ratios and Rates               6-2 Unit Rates (math shorts)

6-3 Dimensional Analysis

6-4 Propor

tional relationships   

6-5 Solving Proportions (mathantics)

6-7 Similar Figures

6-7 Similar Figures intro (Schmoop)                       6-7 Similar Triangles Examples

6-7 Similar figures and indirect measurement

6-8 Dilations and scale factor (math shorts intro)            

  6-8 Dilations on a coordinate grid examples

6-8 Dilations using scale factor

6-8 Dilations and Scale Factor (ISAT)

6-9 Indirect Measurement using similar triangles

7-1, 7-2 Fractions, Percents, Decimals          

7-3 The Percent Proportion (mathantics)

7-6 Percent Change

8-1 Relations (math dude)            8-1 Functions (math dude)       8-1 Functions (mathantics)

8-1 Evaluating Functions

  8-4 Slope and rate of change (math dude)   

8-4 Finding rate of change on a table

8-4 Finding rate of change on a table (story problem)

  8-4 and 8-6 Finding slope/rate of change on a line  (Mr. Buffington)                            

 8-6 Find the slope of a line given 2 points on the line     

8-7 Examples of Graphing linear equations using the slope and y intercept (very good!)

8-7 Graphing linear equations using the slope and y intercept (Mr. Buffington)

8-7 Graphing linear equations using the slope and y intercept (mathantics)

8-7 Graphing Linear Equations in slope intercept form (math dude)

8-7 Matching the graph to the equation (Mr. Buffington)

8-8 Practice finding the slope and y intercept given the graph of a line (Mr. Buffington)

8-8 Writing the slope intercept form of an equation given the graph of a line (Mr. Buffington)

Solve for y to create y = mx+b       Solve for y another example

8-8 Writing the equation of a line given 2 points (great example)                  8-8 Writing the equation of a line given 2 points (more difficult)    Example 1: mathispower4u           Example 2: mathispower4u

9-1 Evaluating expressions with exponents

9-1 Basic exponents with numbers (Mr. Buffington)

9-2 Basic prime factorization (Mr. Buffington)               9-2 Basic prime factorization with numbers

9-2 Basic prime factorization (mathantics)

9-3 Multiplying/Dividing numbers with exponents

9-3 Multiply monomials with variables and numbers (Mr. Buffington)

9-3 Multiplying/Dividing numbers and variables with exponents (Mr. Buffington)

9-3 Simplifying rational expressions

Negative exponents with numbers

9-5 writing numbers in scientific notation            9-5 Scientific notation to standard form

10-1 Simplifying Radicals basic numbers

10-1 Simplify radicals with variables

10-1 Multiply Radicals (only the square root examples)

10-1 Add/Subtract radicals          Add/Subtract Radicals (good)              Add/subtract radicals (good)

10-2 Classify numbers

10-3 Classifying triangles            10-3 Angles and Degrees

10-4 The Pythagorean Theorem   

11-1 Solve for the variable in complementary and supplementary angles (easier)

11-1 Solve for the variable in supplementary angles (more difficult)

11-1 Classify angles in a parallel system cut by a transversal 

11-1 Find angle measures in parallel lines cut by a transversal

11-2 Corresponding parts of triangles

11-2 Naming congruent triangles

11-4 Classify Quadrilaterals      11-4 Finding angle measures of quadrilaterals

11-5 Classify polygons                  11-5 Sum of the interior angles in a polygon

11-6 area of rectangles and triangles             11-6 Area of Parallelogram

11-6 Area of a trapezoid

12-1 Cross sections         12-1 Faces, edges, vertices

12-2, 12-3 Volume of prisms, cylinders, cones, and spheres

Algebra Help Videos

1-4 Distributive Property Review 

1-4 Distributive Property (up until 8:56)

1-6 Dependent and Independent Variables

1-6 Relations

1-7 Functions - mathantics 

1-7 Functions

1-7 Evaluating Functions

2-2 Solving 1 step equations (math dude)

2-2 Solving 1 step equations (mathantics)

2-3 Solving multi step equations          2-3 Solving two step equations

2-3 Solving one and two step equations practice (James Neal)

2-4 Solving equations with variables on both sides practice (James Neal)

2-4 Solving Equations with variables on both sides (strong accent but good video)

2-5 Solving Absolute Value Equations

2-5 Solving Absolute Value Equations (Mr. McLogan)

2-6 Solving proportions     2-6 Proportions introduction (mathantics)     

2-7 Discounts, Tax, and Tip

2-8 Solving Literal Equations

2-8 Solving Literal Equations (different video)

For Extra Help with Chapters 3 and 4, refer to the videos for chapter 8 in the Pre-Algebra list :). 

3-1 Linear Equations (math dude)          3-1 Standard Form of linear equations

3-1 Graphing using an x/y table     3-1 Graphing using a table     3-1 Graphing using x and y intercepts       3-1 More graphing using intercepts

3-3 Slope and rate of change (math dude)

3-3 Slope Introduction (mr. Buffington)       3-3 Find slope using two points (Mr. Buffington)

3-3 Rate of change on a table

3-3 Finding the missing coordinate given the slope and a point

3-4 Slope and Direct Variation (math dude)

3-5 Arithmetic Sequences

4-1 Graphing linear equations using the slope and y intercept (mathantics)

4-1 Graphing Linear Equations in slope intercept form (math dude)

4-1 Examples of Graphing linear equations using the slope and y intercept (very good!)

4-1 Writing equations given the graph

4-1/2 Writing equations from word problems

4-1/2 Writing equations from word problems 

4-2 Writing Equations in Slope Intercept form (math dude)

4-3 Point Slope Form (math dude)          4-3 Standard form to y intercept form       

4-3 Point Slope form to y intercept form (Khan Academy)

4-3 All forms of equations (Khan Academy)

4-4 Parallel and Perpendicular lines Introduction (NEA Portal)

4-4 Parallel and Perpendicular lines (solve for y first)

4-4 Writing Equations of Parallel and Perpendicular Lines (more detailed)         4-4 Find the Equation of the line parallel or perpendicular to the given line

4-5 Scatter Plots and line of best fit equation

4-7 Inverse functions

5-1 Introduction to Inequalities (math dude)

5-3 Solving multi step inequalities example

5-4 Solving Compound Inequalities     5-4 Compound Inequalities    

5-5 Solving Inequalities with Absolute Value     

5-5 Solving inequalities with Absolute Value (Math Dude)

5-6 Graphing Inequalities 

6-1 solving by graphing (mashup math)

6-1 Solving Systems of Equations by graphing (math help)

6-1 Graphing systems of Equations (math dude)

6-1 - 6-4 Classifying systems of equations (consistent, inconsistent, independent, dependent)

6-2 Solving by substitution (Brian McLogan)      6-2 Solving by substitution (more difficult Brian McLogan)

6-2 Solving systems of equations by substitution (making algebra fun)

6-2 Solving by substitution- basic example (math help)

6-3 Solving systems of equations by Elimination - basic      6-3 Solving by elimination - more complicated

6-5 Solving word problems using systems of equations (examples and videos)

6-6 Solving Systems of Inequalities by Graphing (example 1 and 3)        Graphing systems of inequalities (good)

6-6 Graphing systems of inequalities

7-1 Laws of Exponents - multiplying monomials (math dude)

7-1 Multiplying Monomials - also define a monomial and powers of numbers (NEA portal)

7-1 More examples of multiplying monomials with exponents

7-2 Basic examples of Negative Exponents (Mr. Buffington)         7-2 Dividing Monomials and Negative Exponents (math dude)

7-2 Dividing Monomials by subtracting powers                          7-2 More examples of dividing monomials

7-2 More complicated examples of dividing monomials with negative powers

10-2 Simplifying Radical Expressions (before 7-3)

7-3 Rational Exponents        

7-4 Writing a number in Scientific Notation         7-4 Scientific notation (mathshorts)  

7-4 Writing numbers in Scientific notation (Moomoo math)

 7-4 Write a number in Scientific notation (Mr. Buffington)     

 7-4 Multiply and Divide with Scientific Notation

7-5/ 7-6 Exponential Functions and growth/decay  (math dude)

7-5 Graphing Exponential functions by plotting points (Brian McLogan)

7-6 Exponential Decay                        7-6 Exponential Growth

7-7 Geometric sequences

8-1 Adding/Subtracting Polynomials (Kuta software)

8-2 Multiplying a monomial by a polynomial (Greenemath)                 8-2 Multiplying a monomial by a polynomial (more examples)

8-2 More examples of multiplying a monomial by a polynomial (good example)               8-2 Multiplying Polynomials (Mr. Buffington)

8-3 FOIL (math dude)             8-3 FOIL (Mr. Buffington)        8-3 FOIL using distribution (Mr. Buffington good examples)

8-4 Special products

8-5 Factoring out the GCF             8-5 Factoring out the GCF (patrickJMT)           8-5 Factoring by grouping (greenemath)             

 8-5 Factoring by grouping (mathman1024)      

8-5 Factoring by grouping (whiteboardmath)

8-5/8-6 Factoring Polynomials (math dude)

8-6 Factoring trinomials a=1 (Greenmath)                     8-6 Factoring Trinomials (Mathpower4u)                8-6 Factoring Trinomials (mashupmath)

8-7 Factoring trinomials with a not equal to 1 (AC method with grouping)              8-7 factoring with guess/check

8-8 Factoring difference of squares (basic examples)                8-8 Factoring difference of squares

Solving Quadratic Equations by factoring and setting =0 (math dude)                  Solving Quadratic Equations by factoring (basic examples)

More solving quadratic equations examples              More solving quadratic equations examples

Quadratic projectile real world problem                

Real World quadratic functions with quadratic formula  (good examples)

Real world quadratic functions (start at 6:00 for second example)

Examples for class (can be factored instead of using program)

10-2 Simplifying a radical number      Simplifying a radical number (Khan academy)

Simplifying a radical number (very good!)

10-2 Simplifying with variables (Brian McLogan)

10-2 Simplifying factional radicals and rationalize the denominator (Brian McLogan)

Simplifying factional radicals and rationalize the denominator (Math is power for you)

10-3 Adding/Subtracting Radical expressions         Add/subtract radical expressions (Brian McLogan)

10-3 Distribution with Radicals         Foil with Radicals (Brian McLogan - good)      

Foil, multiply, distribute with Radicals     

10-4 Solving equations involving radicals   Solving equations with radicals (more difficult)

10-5 The Pythagorean Theorem (mathantics)           Solving for C using the Pythagorean Theorem

Solving for a leg using the Pythagorean Theorem Is it a right triangle?

10-6 Trig functions and solving for a side (good)

10-6 Basic Trig Functions 10-6 Solve for a side using trig functions      

10-6 Solve for a side length in a triangle

10-6 Solve for all sides and angles in a triangle

10-6 Angle of Elevation and Depression 

Geometry

1-1 points, lines, and planes

1-2 Linear Measurement         1-2 Segment Addition                    1-2 Simple Segment addition

1-2 More complicated Segment Addition

1-3 Find the midpoint and the endpoint        1-3 Find the midpoint   

1-3 Find the distance between two points             1-3 Slope and Distance formula related

1-4 Angle bisector definition and problem            1-4 Using angle bisectors   

1-6 Area of Triangles and Rectangles mathantics               

 1-6 Area of triangles and rectangles Mr. Buffington

1-6 Perimeter and Circumference

1-7 Classify 3-D Figures    

1-7 Volume and Surface Area         1-7 Surface area of a cylinder

2-1 Conjectures and Counterexamples

2-2 Truth tables     2-2 Truth tables

2-3 conditional statements

2-6 Algebraic proofs

2-7 Segment proofs           2-7 Segment Proofs             

 Interactive Practice with segment proofs (scroll down and complete the proof by moving the red boxes into the spaces in the proof - you do Not have to download anything)

Interactive Practice with segment proofs #2

Interactive Practice with segment proofs #3

2-8 Complementary and Supplementary angle proofs

2-8 Complementary and Supplementary angle proofs

3-1/3-2 Parallel lines and transversals angle names

3-1/3-2 Parallel lines and transversals (Mr. Buffington)

3-1/3-2 Parallel lines and transversals math up math

3-3 Slope see Algebra 3-3 videos and Algebra 4-4 Parallel and Perpendicular lines videos

3-4 see Algebra 4-1 videos above

           3-5 Parallel line proofs           3-5 Parallell line proofs

4-1 Classify triangles mathantics

4-2 External Angle theorem

4-4 SSS and SAS triangle proofs               4-4 Triangle SSS, SAS proofs

4-5 ASA, AAS congruence intro.             4-5 Proofs ASA, AAS

6-2 Properties of Parallelograms            6-2 Solving angles and sides of a parallelogram (start at 4:16)

6-5 Rhombus and Square properties                 6-5 Solving for sides and angles in a Rhombus

Algebra II Videos

0-4 basic counting principle

0-4 Number of possibilities and permutations

0-4 Combinations

0-4 Permutations, Combinations, and probabilities (21 minutes - very good)

0-5 "Or" probabilities, mutually exclusive/inclusive (First two examples)

0-6 "And" probabilities, independent/dependent events (examples 3,4,5)

0-6 "And" probabilities with and without replacement

0-9 Constructing a box and whisker plot

1-1 Evaluate expressions with order of operations       1-1 Evaluate expressions more difficult

1-2 Properties of Numbers

1-3 Solving equations review            1-3 Solving equations review more difficult

1-4 Basic inequalities review            1-4 solving inequalities                 

1-5 Compound Inequalities              

1-6 Absolute Value inequalities              1-6 absolute value inequalities more difficult

2-1 Function/One to one/Onto graphs              2-1 Tables and mapping

2-2 Linear functions        2-2 Evaluating functions and function notation

2-3 Slope and rate of change (look at Algebra 3-3 lesson videos)

2-4 Writing linear equations (look at Algebra 4-3, 4-4 lesson videos)

2-5 Scatter plots

2-6 Piecewise functions      2-6 Graphing piecewise functions       

2-6 Domain and range of piecewise functions            2-6 Intro to step functions

2-6 Step functions           2-6 absolute value functions

2-7 Vertex form and translating functions using the equation

2-7 Introduction to parent functions and transformations

2-7 quadratic graph transformations

2-7 Absolute value graph transformations         2-7 Absolute value transformations

2-7 quadratic graph transformations

3-1 look at Algebra videos for 6-1 - 6-3        3-1 Solving systems by graphing

3-2 look at Algebra videos for 6-6                 3-2 Solving systems algebraically

3-3 Linear Programming using graphs

3-4 Solving systems of equations with three variables

3-5 Adding and subtracting matrices

3-6 Multiplying Matrices (2X2)         3-6 Multiplying Matrices (Is it possible?)

3-6 Multiplying Matrices

3-7 Using Cramer's rule to solve a system of equations ( we only do the first part 1a and 1b and then 4a and 4b)

3-8 Find the inverse of a 2X2 matrix

4-1 and 4-2 Graphing Quadratic functions in standard form

4-1 and 4-2 Graphing Quadratic functions in standard form and using Desmos.com

4-3 Factoring and finding the x intercepts/solutions/roots  (See help videos for Algebra 8-5 - 8-8)

4-4 - for review on using radicals, see videos from Algebra 1 10-2 - 10-4)

4-3 Find the quadratic function given the solutions      4-3 FInd the quadratic equations given the roots

4-4 Simplifying powers of i             4-4 Rationalizing the denominator       

4-4 Working with complex numbers

4-5 Solve by Completing the square (2 real rational answers)   

4-5 Solve by completing the square (2 imaginary answers)

4-5 Solve by completing the square (fractional square - difficult)   

4-5 Solve by completing the square (a does not equal 1 - difficult)

4-6 Using the quadratic formula (radical form answer)         4-6 One solution

4-6 Using the quadratic formula (real, one, and imaginary solutions)

4-7 Write the standard form into vertex form - basic

4-7 writing a quadratic in vertex form - more difficult

4-8 Quadratic inequalities - graphing

4-8 Solving inequalities <, > 0

5-1 Operations with polynomials - many examples

5-2 Long division with quadratics            5-2 Synthetic division (Mario's math tutoring)

5-2 Synthetic division (mathispower4u)

5-3 end behavior        5-3 Domain and Range

5-4 Extremas on graphs

5-5 Sum and Difference of Cubes                  5-5 Sum and Difference of Cubes

5-6 Find other factors given one factor         5-6 find factors given one factor

 5-7 - find the zeros by factoring                 5-7, 5-8 Find all of the roots given 2 roots (4th power)

5-8 Find all of the zeros (in class)      5-8 find all of the zeros (in class)

6-1 operations with functions             6-1 Composition of Functions         6-1 Composite functions

6-2 Inverse Functions           6-2 Inverse Functions

6-3 Graphing radical functions          6-3 Translations of radical functions

6-4 Simplifying radicals with higher roots

6-5 Operations with radicals            6-5 Rationalize the denominator

6-6 Convert radical form to rational exponents and back

6-7 Solve radical equations         6-7 Solve radical equations            

7-1 Graphing Exponential functions and translations

8-4 Graphing Rational Functions

9-2 Construct a parabola using the Foci and Diretrix

9-2 Write the equation of a prabola given the focus and directrix