Corbett Maths
Triangular Numbers
Try teaching triangular numbers. Scholars watch a two-minute video to learn how to generate triangular numbers. They learn about the geometric interpretation of triangular numbers and how two consecutive triangular numbers have a sum...
Corbett Maths
Area of a Circle
Circle back and use the resource to review area. Young pupils see how to find the area of a circle given its radius or diameter. The instructive video also shows an example of how to find the radius given the area.
Corbett Maths
Types of Angle
Angle in on the different types of angles. By watching an informative video, scholars see how to classify angles. It covers acute, right, obtuse, straight, and reflex angles. Some example problems focus on classifying angles given their...
Corbett Maths
Angles in a Triangle
The third angle's the charm. Viewers of a short video learn how to find the measure of the missing angle in a triangle. It uses an arithmetic process rather than an algebraic one, so younger learners have no trouble understanding the...
Corbett Maths
Angles: Straight Line
Supplement your geometry work with a straight-to-the-point video. A two-minute video reviews how to find the missing angle measure of a pair of supplementary angles given one of the measures. It works through a few examples of the...
Corbett Maths
Angles: Right Angle
The right measure is often hard to find. Given a diagram of two angles that make up a right angle and one of their measures, scholars learn how to find the other angle measure. They watch a video that explains the process and covers a...
Corbett Maths
Angles in Polygons
Learn to look at polygons from the right angle. Scholars first use the formula (n - 2) * 180 to determine the sum of the interior angles of a polygon. The video then asks them to consider the sum of the exterior angles.
Corbett Maths
Measuring Angles
Measure how well you know how to measure angles. Learners learn how to measure angles using a protractor. They watch a video that walks through a couple of examples of determining angle measures.
Corbett Maths
Estimating Angles
Sometimes, exact measurements aren't necessary. Scholars learn to estimate the measure of angles by watching a useful video. The method employed here is to use 90-, 180-, and 270-degree angles as benchmarks, adding or subtracting as...
Corbett Maths
Position Given Bearings From Two Points
Get some directions on how to use bearings with a minute-and-a-half video that shows how to solve a problem using bearings. The narrator gives two points and the bearings of a third point from each point. Scholars must then find the...
Corbett Maths
Bearings
Bear with me while I teach budding mathematicians about bearings. Watching a video helps viewers understand the concept of bearing as the direction from due north. The informative video works through several examples of problems...
Corbett Maths
Completing the Square
Now your lesson will be complete. Scholars first review the process of completing the square to rewrite quadratics in vertex form. The method shown here is to first take half of the coefficient of x and finding the perfect square, then...
Corbett Maths
Collecting Like Terms
Combine a useful video with a lesson on combining like terms to make an impact. A short video shows how to write equivalent expressions by combining like terms. It looks at several different examples, including a few where simplification...
Corbett Maths
Changing the Subject Advanced
Your task? Get the variable by itself. Simple enough, right? A short YouTube video shows viewers how to solve literal equations requiring multiple steps for a specified variable. The narrator works through several examples of the topic...
Corbett Maths
Changing the Subject
In some situations, it's just polite to change the subject. A short YouTube video describes how to solve literal equations for a specific variable, sometimes referred to as changing the subject in British classrooms. Young mathematicians...
Corbett Maths
Names of 3D Shapes
Quick, name that shape! Scholars learn the names and common properties of three-dimensional solids. They watch a short video that shows an example of each shape and identifies the two-dimensional faces that make up its surfaces.