## Latest Quizzes And Videos

#### 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.

#### Factoring Quadratics

This video shows how to apply a strategy to solve quadratic equations when the "a" term is not equal to 1. The method shown is called the AC method. This algebra video tutorial demonstrates how to factor trinomials in the form ax^2+bx+c when a, the leading coefficient, is not 1.

#### Solving 2-Step Equations With Integers

Review how to solve 2-step equations involving fractions and integers.

#### Find The Distance Between 2 Points

This video illustrates how to use the Pythagorean Theorem and the distance formula to find the distance of a line shown on the coordinate plane.

#### Area Word Problem - Square Inside A Square

Solve a word problem involving a square inside another square.

#### Why Anything To The Zero Power Is One

This video explains why a number raised to the zero power is equal to one.

#### Circles - Area Of A Shaded Region

This problem shows how to find the area the shaded part of a circle. The un-shaded portion inside the circle are smaller circles. To solve this problem you must know how to find the area of a circle which also requires you to identify the length of a circle's radius.

#### Surface Area Of Various Nets

Review how to find the surface area of a cube net, a triangular prism net and a square pyramid net. These examples show how to solve without the use of a formula.

#### Solving Percentage Word Problems Using Different Methods

This video goes over how to solve 3 different types of percentage word problems using different strategies. Review how to set up a proportion and solve. Also watch and learn how to set up an Algebraic equation to solve.

#### Box Plots - 5 - Number Summary

Figure out how to match a given data set with the correct box plot. Also review how to interpret a box plot.

#### Convert Repeating Decimals Into Their Fraction Equivalent

Watch and learn how to find the fractional equivalent of repeating decimals in simplest form. This video shows how to convert different types of repeating decimals.

#### Decimal Division - Using An Area Model

This video shows how to solve a division word problem involving an area model and decimals.

#### Multiplying Decimals - Where Does The Decimal Go?

This video is just a quick review showing how to multiply decimals using the standard algorithm. Review where to place your decimal in you answer after multiplying.

#### Area Of Triangle And Rectangles - Decimal Values

This tutorial reviews how to find the area of a triangle and rectangle when their dimensions contain a decimal. Also review how to find the volume of a rectangular prism when using decimal multiplication.

#### Simplifying Expressions - Area And Perimeter Of A Rectangle

Watch and learn how to write an expression to represent the area and the perimeter of a rectangle when the given width and length are Algebraic expressions. In this video you will review how to combine like terms and how to use the law of exponents. You will also see the difference between multiplying variables versus adding them.

#### Surface Area - A Pyramid On Top Of A Cube

Watch and learn how to find the surface area of a composite 3-dimensional object. The example shown in this video is a square pyramid combined with a cube.

#### What Is A Radian?

This video visually demonstrates what a radian is. Also watch and learn how to convert angles given in degrees into radians and angles given in radians into degrees.

#### Converting Degrees to Radians

Watch and learn how to convert angles given in degrees to radians. Review commonly seen angles and their measure in radians using the unit circle. Also watch how to set up a proportion to change degrees into radians.

#### Find The Area Of Circles - Review

A quick review finding the area of a circle. The circle is shown on top of a graph. First you must identify the circle's radius using the graph and then solve.

#### Calculating The Surface Area Of Cylinders In Terms Of Pi

Quickly set up and solve an equation to find the surface area of a cylinder in terms of pi.