## Latest Quizzes And Videos

#### Finding The Midpoint Of A Line Segment

Watch and learn how to find the midpoint of a line segment when given its 2 endpoints. Background knowledge of adding and subtracting integers is required to understand this content.

#### The Elimination Method - Solving A System Of Equations

See how 3 different systems of equations are solved by using elimination. The 3 examples show 3 different levels of difficulty.

#### Solving A System Of Equations Word Problem

Learn how to set up and solve 2 system of equations word problems. The method shown in this video is substitution.

#### Solve A System Of Equations - Using Substitution

Watch how to solve a system of equations using substitution. This video shows 3 examples of solving a system of equations.

#### Solving Multi-Step Equations

Solve equations with multiple steps by combining like terms, using the distributive property and using inverse operations. This video shows 6 different examples.

#### Comparing Rates From A Graph, Table And Equation

Compare different rates when shown in a graph, equation and a table by finding the unit rate of each.

#### Graph Equations Using The X and Y Intercepts

Learn how to graph linear equations by finding the x and y intercepts of the graph. There are three examples shown, each in a different form.

#### Analyzing Different Rates On A Graph

Sharpen your skills by analyzing different graphs to compare rates. This word problem provides a chance for students to think about linear situations.

#### Writing Equations In Point Slope Form

Use the point slope formula to write the equation of a line when given the slope and a single point. Also see how the point slope form is the same thing of the slope formula.

#### Evaluate Exponential Expressions

This video demonstrates how to evaluate 5 different exponential expressions. Some examples have negative exponents. Review exponent rules as you watch.

#### Solve Equations With Variable On Both Sides

Watch and learn how to solve equations with a variable on each side of the equation. Prerequisite skills include knowledge of integer rules, combining like terms, and using the distributive property. This video shows 4 examples. One example shows an equation with no solution.

#### Writing Linear Equations From Word Problem

Review how to write a linear equation in y=mx+b form using a table and a graph. Review how to find the slope from a table and a graph.

#### Volume Of Cones, Cylinders And Spheres

This short video reviews how to find the volume of cylinders, cones and spheres. Also review how to find the missing height length of a cylinder when the volume and radius are given.

#### Volume Of Cones As A Function Of Height

Students had to create 4 cones with the same radius and different heights. Students had to find the volume of each cone and graph the volume as a function of changing height with a fixed radius. We are currently studying volume as a function. This was recorded during a virtual class.

#### Volume Of Cylinders As A Function Of Radius

This lesson demonstrates how a changing cylinder radius affects the volume of a cylinder. A fixed (unchanging) height is used to study how the volume of a cylinder is a function of radius. This lesson is not a basic lesson on how to find the volume of a cylinder, although this is shown. This lesson is about how volume and...

#### Functions - Volume As A Function Of Radius

This video was created to help my 8th grade students in our unit about volume and functions. This quick video shows how to interpret a graph when the volume of a cone is a function of radius length. The height is a fixed length.

#### Solving Volume Of A Cone Word Problem

Review how to find the volume of a cone to solve a word problem.

#### Volume Of Spheres In Terms Of Pi And 3.14

Find the volume of a sphere in terms of pi and using 3.14 for pi.

#### Solving Algebra Word Problems

Review how to solve a word problem using Algebra. The problem involves cars traveling towards each other at different rates of speed. You must determine how long it would take them to meet if they both left at the same time. This problem is at about a 9th or 10th grade level for most.

#### System Of Linear Equations Word Problems

Examine how to set up and solve a word problem by using a system of linear equations. I went over this problem with my 8th grade students.

#### Finding The Midpoint Of 2 Points

Watch how to find the midpoint between two points without using the midpoint formula. This video explains where the midpoint formula comes from.

#### Dilation Of Triangle - Stretching And Shrinking

Review how to dilate an object using the coordinates of each point. The new points are found by multiplying the coordinates of each vertex by the given scale factor. See the difference between stretching and shrinking when the scale factor is greater than 1 versus less than 1. The center of dilation in this problem is the origin or (0,0).

#### Finding The Scale Factor Of Dilated Shapes

Learn an easy way to find the scale factor of dilated objects. The scale factor is found by using either corresponding sides or corresponding points.

#### Scale Factor Of A Dilation Using A Circle Grid

See how to use a circular grid to find the scale factor that an object was dilated.

#### Solving Equations - Variable On Both Sides

Practice solving linear equations that have a variable on both sides of the equation. Also watch and learn how to solve Algebraic equations that contain fractions. This video shows 4 examples. Prior knowledge to solve these equations should include using the distributive property and combining like terms.

#### Identify Similar Shapes

Watch and learn how to determine if a pair of shapes are similar or not. See various methods to check if one shape is a scale copy of another. Also review how to determine the scale factor.

#### Scale Factor Word Problems

Watch and learn how to compare dimension pairs of rectangles to see if they are scale copies of each other.

#### Using Scale Factor To Find Length Of Line Segments

Find the length of missing sides when given similar figures. This video shows how to find the scale factor of the shapes using corresponding sides. The scale factor is then used to find the length of line segments by setting up a proportion or by using percentages.

#### Scale Factor As A Fraction, Decimal And A Percentage

This video shows how to find the scale factor of similar objects. Also learn or review how to express scale factor as a fraction, decimal or a percentage. Learn that scaling up has a scale factor greater than one and scaling down is a scale factor less than 1.

#### Finding Scale Factor Of Similar Figures

Learn how to easily find the scale factor of similar figures. Also learn how to find the length of missing sides when given similar shapes. Learn the difference between scaling up or down.

#### Solving Systems Of Equations - The Elimination Method

Watch and learn how to solve systems of equations using elimination. Three examples are shown. This tutorial takes you through the steps to solve the 3 given problems.

#### Solving Equations With A Variable On Both Sides - Vertical Angles

Practice solving equations by setting expressions equal to each other. The expressions represent the measure of vertical angles. This video reviews how to solve an equation with a variable on both sides of the equation. Also watch and learn how to find the measure of unknown angles after solving equations.

#### Finding Angle Measures Formed By Parallel Lines And Transversals

This lesson shows how to find the measure of angles formed by transversals crossing parallel lines. Review how to identify corresponding angles. Also identify alternate interior angles to help find angle measure.

#### Volume Of A Rectangular Prism - Isometric View

This video shows how to find the volume of a rectangular prism. Also learn the concept of volume as a 3-dimensional measurement using cubic units. Isometric dots are used to demonstrate the concept of volume as a measure of capacity.

#### Angles Formed By Transversals And Parallel Lines

Watch and learn how to identify angles formed by transversals and parallel lines which include: corresponding angles, same side interior angles, same side exterior angles, alternate side interior angles and alternate side exterior angles.

#### Angles Formed By A Transversal Crossing Parallel Lines And Solving For x.

This video shows how to Algebraically set-up and solve problems involving angles formed by a transversal crossing parallel lines. This video also reviews corresponding angles, same side interior angles, alternate interior angles and same side exterior angles.

#### Transformations - Translations On The Coordinate Plane

This video shows how you can perform a translation on the coordinate plane by adding integers. The video explains the difference between x-movements(left or right) and y-movements(up or down).

#### Dilation On The Coordinate Plane Using Slope

Learn how to dilate objects on the coordinate plane by using slope. Also learn how to perform a dilation by using an equation. The problem provides the scale factor and a center of dilation that is not the origin. This video was created to help my students for virtual learning!

#### Introduction To Transformations

This video introduces the transformations of translation, reflection, rotation and dilation. The difference between a rigid and a non-rigid transformation is demonstrated. Also learn about the basic characteristic of each transformation. This video was designed for virtual learning.

#### Finding The Median Of An Odd and An Even Data Set

See the difference between finding the median of an even data set vs. an odd data set.

#### Reflection Across the X and Y Axis

Quickly learn how to easily reflect object on the coordinate plane across the x and y axis.

#### Finding The Area Of Basic Shapes - Review

Review how to find the area of a rectangle, triangle, parallelogram and a trapezoid.

#### Surface Area Of A Triangular Prism

Watch and learn or review how to find the surface area of a triangular prism without using a formula.

#### Surface Area Of A Cube, Rectangular Prism, Triangular Prism And Square Pyramid

Review how to compare prices by finding a unit rate. Also review how to divide numbers with decimals.

#### Comparing Prices - Unit Rates

Review how to compare prices by finding a unit rate. Also review how to divide numbers with decimals.

#### Graphing Inequalities - How To Shade

Watch and learn how to graph inequalities on the coordinate plane.

#### Graphing The Solutions To A System Of Linear Inequalities

Watch and learn how to graph a system of linear inequalities and show all the possible solutions by shading.

#### Percentage Increase Word Problems - Markup

Review how to solve word problems involving the percent mark-up of wholesale prices to find retail prices. Also review how to calculate the percent mark-up when the wholesale and retail prices are given.

#### Solve A System Of Equations By Graphing

Review how to solve a system of equations by graphing. The equations are converted to slope-intercept form and then graphed. The examples given are intermediate to difficult so background knowledge on basic graphing would be helpful.

#### Rationalizing Denominators With One Term

Review how to rationalize a denominator containing a radical.

#### Volume Of Cones And Spheres - Word Problem

Solve a word problem which requires calculating the volume of a sphere and the volume of a cone.

#### Solving Word Problems Using Algebra

This video shows how to solve 2 different word problems by setting up Algebraic equations. The second example requires setting up a a system of equations to solve. The problems involve distance and time(speed).

#### Solving Radical Equations

This video shows how to solve 7 different equations containing radicals (square root symbols).

#### Completing The Square - Solving Quadratic Equations

This video shows how to solve 3 different quadratic equations by completing the square.

#### Using Prime Factorization To Simplify Radicals

Watch and learn how to simplify radicals by breaking a number down into its prime factors.

#### Graphing A Quadratic Equation

This video shows how to graph a quadratic equation by identifying the axis of symmetry and its vertex, and then finding ordered pairs by creating a symmetrical function table.

#### Features Of Parabolas

Review basic features of parabolas such as the vertex of a parabola, the minimum and the maximum, what direction the parabola opens up and its line of symmetry.