Latest Quizzes And Videos
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.
Learn how to set up and solve 2 system of equations word problems. The method shown in this video is substitution.
Solve equations with multiple steps by combining like terms, using the distributive property and using inverse operations. This video shows 6 different examples.
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.
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.
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.
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.
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.
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...
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.
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.
Watch how to find the midpoint between two points without using the midpoint formula. This video explains where the midpoint formula comes from.
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).
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.
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.
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.
Watch and learn how to compare dimension pairs of rectangles to see if they are scale copies of each other.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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!
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.
Review how to compare prices by finding a unit rate. Also review how to divide numbers with decimals.
Watch and learn how to graph inequalities on the coordinate plane.
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.
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.
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).
This video shows how to solve 3 different quadratic equations by completing the square.
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.