Birds of a feather flock together, so it's easy to estimate their number. Pupils watch an installment of a larger Real-Life Math series in which a zookeeper explains how she uses math to estimate the number of birds. They then try out...

A statistic of interest is often affected by multiple variables. Continuing from the previous lesson in the Crash Course Statistics playlist, the instructor explains how to apply the ANOVA calculations to multiple variables that have an...

There are four terms in this polynomial. Try to factor it by grouping the terms. Confused? Try to get four terms into the product of two binomials? Still confused? Watch the instructor as she goes through the steps to group and regroup...

An example of factoring by grouping is shown in this video. We look at a polynomial with six terms, by grouping the terms into two trinomials with common factors. Then we factor a couple times so that we factor completely.

This modern animation and discussion of the ancient secrets of Pascal's triangle manages to be topical, engaging, and mathematically deep all at the same time. A great introduction to the power of number theory across multiple math...

The strong connections between math and music are explored in this short video that uses group theory to visualize musical chords. Makes you wonder what Arthur Rubinstein would have thought of all this.

Determine medians within a group. Given data represented as a frequency table of grouped data, the video demonstrates finding an estimation for the median. After finding the group where the median resides, the presenter uses a formula to...

Quick, nurse, grab a calculator! A role-playing activity has groups measure vitals, such as heart rate, blood pressure, weight, etc. After viewing a video on how nurses use math in the workplace, scholars apply knowledge of rates and...

Get healthy using math (although exercise helps, too!). Future consumers analyze a set of nutritional labels to compare caloric and nutrition information for two cereal brands. After watching a video of a health educator explaining how...

What's that sound? Transpose music proportionally using a ukulele. A ukulele artist explains how math is beneficial in transposing songs written in one key to another. The video demonstrates that transposing keeps the ratio between the...

Connect your classes understanding of factoring trinomials to the process of factoring by grouping with a video that shows pupils how to factor a polynomial with four terms by grouping the terms in pairs and finding the GCF....

This short video show viewers how to connect the sum of the angles in a triangle to other angle measurements. Pupils determine the missing measures for angles involved with triangles and quadrilaterals. Class members then must explain...

Tip—start with the inner most nested grouping symbol. The resource provides an explanation of the conventional method in nesting grouping symbols and using parentheses, brackets, and braces. The video provides two examples, one involving...

The lesson is sure to get scholars' blood pumping. An athletic trainer highlights some uses of math in athletic training in a heart-pumping video. After watching it, pupils get together in groups to measure their resting heart rates and...

Imagine an infinitely-large chess board with an infinite number of pieces. Pupils learn about infinite chess and how it is a determined game, in that there is always a winning strategy. The video first applies Zermelo's Theorem to show...

Strive to determine your stride. Scholars first view an informative video on the Kentucky Horse Park and the 28-feet stride of the Man o' War. They then work together in groups to find the length of their own strides by using the number...

Here is a complete and clear demonstration of the process needed to factor a trinomial with a non-1 leading coefficient. Sal uses various colors and provides working examples while he factors the simple trinomial. This video would be...

Useful as a classroom resource, a computer lab assignment, or even a homework supplement, this video shows viewers some more techniques for factoring polynomials. Once they have mastered the art of factoring, the rest of algebra will...

The abstract notion of domain and range can be troublesome. A math lesson explains the concept of determining domain and range from a graph. The instructor makes clear connections between the graph and the numeric values. There are...

Multiply the given algebraic fractions. But first, reduce, reduce, reduce! It is a good rule of thumb to reduce as much as possible before multiplying. So how do you reduce rational expressions? Put the like terms together and cancel the...

Pair a video with your lesson on t-tests. Viewers of an informative YouTube video, the 27th part of the Crash Course Statistics series, study two sample t-tests and paired t-tests. They see which test would be appropriate for a situation...

Show your class that finding angle measures is a regular calculation with a resource that provides 12 problems dealing with the measures of angles in regular polygons. Pupils use formulas for the sum of measures of angles in a polygon to...

Sing out loud and count backward from 10 with a captivating music video featuring the song, Ten in the Bed, in which a group of 10 children share a bed while the littlest one attempts to make more room.

Innocence hangs by a probability. An intriguing video discusses how statistics affect daily life, specifically in the courts. Looking at three court cases spanning several hundreds of years, the resource recounts how errors in statistics...