## Latest Quizzes And Videos

#### Proportion And Similar Triangles

Set up and solve a proportion to find the unknown side of a triangle. Pause the video and try to solve before revealing the answer. Please leave comments with alternative...

#### Simplifying Exponential Expressions

Learn how to multiply and divide numbers in scientific notation. See how to adjust your answer when the result is not in scientific notation by adjusting the powers on ten.

#### Multiply And Divide In Scientific Notati…

Learn how to multiply and divide numbers in scientific notation. See how to adjust your answer when the result is not in scientific notation by adjusting the powers on ten.

#### Negative Exponents - Simplifying Express

Review how to quickly simplify expressions with negative exponents using negative exponents rules.

#### Solve System Of Three Equations With Thr…

This video shows how to solve a system of 3 equations with three variables by using elimination.

#### Simplifying Exponential Expressions

Quickly review how to simplify exponential expressions when multiplying exponents with the same base. Some examples include negative integers.

#### Finding The Length Of A Hypotenuse In Si…

Practice using the Pythagorean Theorem to find the length of a hypotenuse in simplest radical form.

#### Ordering Values Given In Simplest Radica…

Order values that are given is simplest radical form. This problem will help sharpen the number sense of students. Great problem for a warm-up!

#### Translating Shapes On The coordinate Pla…

This video shows how you can quickly translate an object on the coordinate plane by using simple integer addition or subtraction to determine the new coordinates.

#### Scientific Notation Word Problems

Watch and learn how to solve scientific notation word problems.

#### Dividing In Scientific Notation

Watch and learn how to divide in scientific notation by applying exponent rules. When dividing bases that are the same, you subtract their exponents. This video demonstrated 3 examples.

#### Multiplying In Scientific Notations

Review how to multiply values in scientific notation. During this lesson, you will review exponent rules for multiplication which will be applied to solve. This video shows 4 quick examples.

#### Adding And Subtracting In Scientific Not…

Learn how to add and subtract values in scientific notation. This video shows 4 examples and how you have to make the exponents the same before adding and subtracting.

#### Convert Numbers Into Scientific Notation

This video introduces the basics of scientific notation. Watch how to change a number in standard form into scientific notation. This video also reviews powers of 10.

#### 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 Syste…

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 Probl…

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 Subs…

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 …

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 Interc…

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...

#### 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 Si…

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...

#### Writing Linear Equations From Word Probl…

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...

#### 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...

#### Volume Of Cylinders As A Function Of Rad…

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...

#### Functions - Volume As A Function Of Radi…

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...

#### 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 3.1…

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...

#### 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 Sh…

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...

#### Finding The Scale Factor Of Dilated Shap…

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 Circl…

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

#### Solving Equations - Variable On Both Sid…

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...

#### 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...

#### 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 Lin…

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...

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

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...

#### 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...

#### Solving Systems Of Equations - The Elimi…

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 Bot…

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...

#### Finding Angle Measures Formed By Paralle…

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...

#### Volume Of A Rectangular Prism - Isometri…

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...

#### Angles Formed By Transversals And Parall…

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...

#### Angles Formed By A Transversal Crossing …

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...

#### Transformations - Translations On The Co…

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 S…

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...

#### 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...

#### Finding The Median Of An Odd and An Even…

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 - Revie…

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 Pris…

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 Li…

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

#### Find Percent Change

Review how to find the percent increase and decrease of a number.

#### Percentage Increase Word Problems - Mark…

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...

#### 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...

#### Percent Increase Examples

This video shows how you can find the percent increase of a number.

#### Rationalizing Denominators With One Term

Review how to rationalize a denominator containing a radical.

#### Volume Of Cones And Spheres - Word Probl…

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...

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

#### Completing The Square - Solving Quadrati…

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

#### Using Prime Factorization To Simplify Ra…

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

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.

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...

#### 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 Squa…

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...

#### 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...

#### Solving Percentage Word Problems Using D…

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...

#### 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 Fr…

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 De…

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 - Decima…

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...

#### Simplifying Expressions - Area And Perim…

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...

#### Surface Area - A Pyramid On Top Of A Cub…

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.

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.

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...

#### 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...

#### Calculating The Surface Area Of Cylinder…

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

#### Calculating The Surface Area Of Cones

This video shows how to find the surface area of a cone when the slant height IS given and when it is NOT given.  The Pythagorean Theorem is used to...

#### Finding The Surface Area Of A Triangular…

This video demonstrates how to find the surface area of a triangular prism when it is in its 3D form.

#### Find The Surface Area Of A Cube

This quick video shows how to find the surface area of any cube.

#### Surface Area Of A Rectangular Pyramid

This video shows how to find the surface area of a rectangular pyramid using the Pythagorean Theorem.  Before solving using the strategy shown in this video, the learner should have...

#### Surface Area Of A Sphere Using 3.14 For …

Review how to find the surface area of sphere using 3.14 for pi.

#### Easy Way To Find Some Percentages Using …

Quickly learn how to find percentages! First we will review a few basics and then apply those basics to our problems to solve mentally.

#### Using Cancellation When Multiplying Frac…

Review how to reduce a fraction multiplication problem by using cancellation.  This video shows a 2 methods of doing this.

#### Calculating A Percent Discount

This video shows different ways you can calculate a 25% discount from an item. This video will review equivalent rates, multiplying decimals and multiplying fractions.

#### Transformations - Translating On The Coo…

This brief video explains how you can quickly figure out how to translate an object by adding or subtracting to the original coordinates.

#### Multiplying Decimals Using An Area Model

This video shows how to create an area model to show the product of decimal values.

#### Transformations - Rotate 90 Degrees Arou…

Learn how to quickly rotate and object on the coordinate plane 90 degrees around the origin.

#### Finding The X And Y Intercepts And Graph…

This video shows how to graph a linear equation using the x-intercept and the y-intercept. This video also shows how solve an equation to find the x and y intercepts.

#### Graphing Inequalities And Absolute Value

This video provides a couple of examples showing how to solve and graph inequalities containing absolute value.

#### Solving And Graphing Inequalities - 3 Ex…

This tutorial reviews how to isolate a variable to solve inequalities. One example has a variable on both sides of the inequality sign. Another example demonstrates a situation when you...

#### Height Of A Cylinder Word Problem

Solve a word problem involving the unknown height of a cylinder by using the volume formula and setting equations equal to each other.