Get the best ratio for a good date. The class watches a video where dates are rated based on the ratio of words spoken. Pupils then use the ratios in the video along with other given ratios to find equivalent ratios. Finally, they...

Exponential models come with a shortcut. Pupils watch an example of how to determine if a differential equation is an exponential model. Learners realize the solution is in the same formula, allowing for a quick way to determine the...

Just how much of each ingredient is required? The resource works a few examples of scaling a recipe to feed more or fewer people than outlined. Pupils follow the examples to work out similar problems.

Know how to solve problems with one ratio? Then solving problems with two ratios will be a cinch. Pupils watch an engaging video to learn how to solve problems involving two ratios. It first shows the method of combining the ratios into...

If mathematicians know one value, they can definitely find the other. Given a ratio and one quantity, individuals learn to find the other quantity. An instructional video describes how to first divide to find the amount for one part,...

Sharing is caring, but sharing doesn't have to be equal. Scholars watch a video that shows how to partition a total using a given ratio. The method shown here is to find the cumulative number of parts, divide the total by the number of...

Be an octave above the rest. A musician explains how to write music in different time signatures. An interesting resource continues to demonstrate ratios using the pitch of musical notes and hertz. Pupils use a pitch table and determine...

The star of the show is ratios. The informative resource explains how to transpose music using ratios. Individuals transpose the song "Twinkle, Twinkle" in the activity by applying their ratio skills. The activity challenges class...

Using an installment from the Math at the Core series, pupils learn about Kapa cloth, which is made from bark. The video shows how much cloth one cup of bark makes. Then classmates, working in pairs, determine the number of cups of bark...

Create a personal tree. By visiting an exhibit at the National Museum of Mathematics, the resource introduces the idea of fractals. The exhibit takes an image of the person and creates a tree by repeating scaled images on the shoulders...

Bring the resource out from the shadows. Viewers of a short video learn about drive-in theaters and how operators project images onto a large screen. They then perform an experiment to determine the relationship between the distance of...

Bat a perfect thousand when learning about math and baseball. Scholars view an informative video on Babe Ruth and the Louisville Slugger Museum. They answer several questions on batting averages and scale models using ratios and...

Direct change by finding the constant. Using two known values within a direct proportion, the resource shows how to find the constant of proportionality. Once individuals do that, they then find any value given the other. The video works...

Review three video clips for one major concept. The resource contains three short clips to introduce the idea of ratios and proportions and how to solve a proportion. After watching the video, partners use their noses to push pom poms...

What a great big skillet you have. The resource introduces the class to the world's largest stainless steel skillet. The class creates a model of the skillet and a typical 12-inch skillet and compares the relative sizes of their areas....

Scale up a lesson on similarity. Young mathematicians watch a video that investigates the sides of similar figures. They see how to calculate missing sides from the given measures using scale factors.