Ratios In and Of the World
Learners explore ratios in various contexts and from different perspectives. They explore the relationship between the numbers in the Fibonacci Sequence to develop a ratio.
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Similar Right Triangles and Trig Ratios
Is it possible to be the same yet different? Absolutely! The activity asks learners to explore the relationships between side ratios of triangles they have drawn. Because individuals all draw a triangle with the same angle measures, they...
9th - 11th Math CCSS: Designed
Authentic Activities for Connecting Mathematics to the Real World
Check out the handout from a presentation that contains a collection of high school algebra projects connecting a variety of mathematics to the real world. Activities range from simple probabilities to calculus. The activities can be...
6th - 12th Math CCSS: Adaptable
Creating Linear Equations in One Variable
The example of two travelers meeting somewhere along the road has been a stereotypical joke about algebra as long as algebra has existed. Here in this detailed presentation, this old trope gets a careful and approachable treatment....
9th - 10th Math CCSS: Adaptable
Real World Problems That Involve Rates, Proportions and Percents
In a STEM-focused curriculum, units and conversions are front and center in the accuracy and reasonableness checks. This approachable presentation breaks down both the why and the how of converting units, and then applies the conversion...
9 mins 8th - 11th Math CCSS: Designed
Banking 9: More on Reserve Ratios (Bad sound)
Viewers learn about the value of liquidity and solvency in this video, which addresses not natural science but banking and finance. Sal explains the value of solvency for a bank, and how it relates to the process of making and receiving...
4 mins 9th - Higher Ed Math
New Review Golden Ratios of the Body, Architecture, and Nature
Does your class realize that the ratio of the body measurements may be golden? After studying how the Golden Ratio is involved in the body, architecture, and nature, pupils create a poster to highlight the ratio. They show what they know...
7th - 12th Math CCSS: Designed
Ratio and Proportion: Simplifying Ratios (2 of 2)
For this assignment, math stars simplify ratios. The first half just displays numbers, whereas the second half describes real-world scenarios with ratios to be written and reduced. The publisher mentions CCSS.Math.Content.6.RP.3, but it...
6th - 9th Math CCSS: Designed