Corbett Maths
Area of a Triangle – Sine/Trigonometry
Half the base times height was great for elementary school, but now we have a more general formula. Scholars watch a short video that highlights the area formula A = 1/2 ab sin C. The narrator works through an example of applying the...
Corbett Maths
Cosine Rule – Missing Sides
Not a right triangle, not a problem. Pupils learn about the cosine rule, or the law of cosines, to solve for missing side measures in triangles. They accomplish this task by watching a short video, which covers two examples.
Corbett Maths
Sine Rule – Missing Sides
Respect the rules. Young mathematicians watch a video in which the narrator explains the sine rule, or the law of sines. They see how to apply the law of sines to find a missing side of a triangle. A worksheet provides an opportunity for...
Corbett Maths
3D Trigonometry
Trigonometry still works in 3-D. Viewers of a short video see how to apply trigonometry in situations involving three-dimensional figures. They watch as a narrator works through a problem that requires finding the length of a diagonal...
Corbett Maths
Reflections
Reflect on your knowledge of reflections. Pupils watch a YouTube video to learn how to perform reflections of two-dimensional figures over a line. The resource includes examples with a reflection over a vertical line and over a diagonal...
Corbett Maths
Random Sampling
Hopefully, there's nothing random about the decision to use the resource. Scholars view an informative video on random sampling. They watch as the narrator works through several examples on the topic.
Corbett Maths
Stratified Sampling
Be stupefied by stratified sampling. Viewers of a short YouTube video learn about stratified sampling. Given information on the number of people majoring in a particular subject, they decide how many of each major they need to create a...
Corbett Maths
The nth Term for Linear Sequences
For the nth time, I'm telling you to find the sequence. Given an arithmetic sequence, the video shows how to find the nth term of the sequence. Pupils also learn how to write an explicit expression for the sequence.
Corbett Maths
Circle Theorems
Circles are ripe with theorems. Viewers of a YouTube video watch as the narrator describes a set of eight theorems on circles. The video shows a diagram for each theorem and provides a brief explanation for each one.
Corbett Maths
Area of a Segment
It's not a sector, it's not a triangle, it's just a segment. Viewers of a short YouTube video learn how to calculate the area of a segment. They see how to determine the area of the sector and then subtract off the area of a triangle to...
Corbett Maths
Arc Length
There's no need to go to great lengths to learn about circles. Young mathematicians view a short YouTube video on how to find arc lengths of circles. The video covers a few examples highlighting the method of determining arc length in...
Corbett Maths
Powers Indices
Knowledge is power, especially when dealing with exponents. Viewers of a short YouTube video see how to evaluate powers of positive bases. They use a calculator to determine the value for larger numbers.
Corbett Maths
Probability Scale
Scale up your knowledge of probability. Young mathematicians watch a video that describes probability in terms of a scale. They see how probability is a value between zero and one, representing a continuum from impossible to certain.
Corbett Maths
Graphical Inequalities Part 2
Sequels are often letdowns, but not here. Pupils learn to graph linear inequalities on a coordinate plane. They do so by watching a short YouTube video that works through several examples. The resource is part two of the Graphing...
Corbett Maths
Graphical Inequalities Part 1
Plot your lesson on graphing inequalities. Viewers of an informative YouTube video learn how to plot linear inequalities as half-planes. Individuals focus on inequalities with vertical and horizontal boundaries as they complete part one...
Corbett Maths
Solving Inequalities – Two Signs
Compound your knowledge of compound inequalities. A short YouTube video describes how to solve compound inequalities. It shows the steps to take to result in a solution of the form a < x < b. A set of examples covers the topic.
Corbett Maths
Solving Inequalities - One Sign
Solve the problem of not knowing how to solve inequalities. Pupils learn to solve one-variable inequalities by watching a YouTube video. The video includes examples of two-step inequalities and inequalities with variables on both sides.
Corbett Maths
Inequalities on a Number Line
It's all about the number line. Young mathematicians learn how to graph the solution to simple one-variable inequalities on a number line, including compound inequalities. They also see how to reverse the process, writing inequalities...
Corbett Maths
Probability of Not Happening
You'll want to make sure the lesson actually happens. Young mathematicians watch a video to learn about the probability of an event not happening. They see how subtracting the probability of the event happening from one gives the...
Corbett Maths
Relative Frequency
It's all relatively simple. Young mathematicians learn about relative frequency by watching a short video. They see how to first determine relative frequencies, and then how to use these values to solve real-world problems.
Corbett Maths
Conditional Probability
Scholars' knowledge of probability depends on whether they watch the useful video. Young mathematicians view a short video to learn about the probability of dependent events. The narrator works through several examples to ensure viewers...
Corbett Maths
Sample Space Diagrams
Sample the resource and decide to use it all. Viewers of the informative YouTube video learn to use tables to represent sample spaces for compound events. They use these tables to help determine probabilities.
Corbett Maths
The OR Rule
Use the resource or lament lost opportunities. Scholars watch a short video to learn about the probability of compound events. First, they see how to find probability of or events that are mutually exclusive. They then use the addition...
Corbett Maths
Probability
Simple probability can be quite simple. An instructive video describes how to determine probabilities by considering possible outcomes. It uses a variety of contexts as examples to cover the topic.