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Lesson Planet

How Tall is the Tree?

For Teachers 9th - 12th Standards
Pairs or small groups work together to determine the height of a tree using similar triangles. Learners make a judgement which direction to let a tree fall to avoid hitting any structures. They then write letters to the principal...
Lesson Planet

Building a Recreation Center

For Teachers 9th - 12th Standards
It's all about location, location, location. Small groups work to find the best spot for a rec center to serve three different communities. Learners construct the inscribed and circumscribed circles of a triangle to find the best place....
Lesson Planet

Tiling a Kitchen Floor

For Teachers 9th - 12th Standards
Cover the floor with math. Pupils work to determine the proper shape to cover a kitchen floor. They first determine the number of tiles to purchase and configure their placement to reduce the amount of waste. Teams finish by creating a...
Lesson Planet

Getting Around Millbrook

For Teachers 9th - 12th Standards
When is the distance formula not accurate? Referencing a map of the school, pairs determine the walking distance between two locations. Creating coordinates for each location, pupils determine the distance between the two points and...
Lesson Planet

How do I Create a Scaled Model of a Full-Sized Basketball Court?

For Teachers 9th - 12th Standards
Take mathematics to the hoop! Pairs first measure the linear distances on a basketball court. Using those measurements, they determine the scale lengths to create a scaled model. To finish the activity, learners create models of the...
Lesson Planet

SAT and ACT – How Equitable Are They?

For Teachers 9th - 12th Standards
Test the test takers' knowledge of statistics about data from the SAT and ACT tests. Future collegians explore the idea of gender and racial bias in high-stakes college admissions exams. They analyze historical data on average scores by...
Lesson Planet

Let's Buy a Car

For Teachers 9th - 12th Standards
Ready to buy a car? Learners research different makes and models of cars to decide on the best one to buy. They collect data on cost, fuel efficiency, safety ratings, and insurance costs, then create and analyze data displays to make...
Lesson Planet

Understanding Local Economic Issues Using Statistics

For Teachers 9th - 12th Standards
A good understanding of local economics requires a lot of data. Scholars design and conduct an experimental survey to collect information about economic issues affecting their regions. They analyze their findings and prepare a...
Lesson Planet

Finding a Location for Your Kitchen Island

For Teachers 9th - 12th Standards
Where is the best place to work? Small groups map out a kitchen on a coordinate plane and find the centers of the work triangle to find the best place to install an island. The teams use algebraic methods to locate the center by finding...
Lesson Planet

Triangular Irrigation

For Teachers 9th - 12th Standards
Try to keep the pipe short. Learners investigate where to place a water pump to use the least amount of pipe. Scholars use their knowledge of reflections and congruent triangles to find the best location for the water pump. Finally, they...
Lesson Planet

Distance and Midpoint Formulas in a Mall

For Teachers 9th - 12th Standards
Go for a walk in the mall. Pupils find distances between stores on a diagram of a mall on Quadrant I. The scholars also determine the midpoint between a store and an entrance to the mall to then create their own paths and determine their...
Lesson Planet

Gladys West

For Students 5th - 12th
Teens might find it hard to imagine life before GPS. Using global positioning systems, they can quickly locate the nearest gas station, fast food establishment, or the home of a new friend. Introduce them to Gladys West, the lady who...
Lesson Planet

Midsummer Classic’s Homerun Derby

For Teachers 9th - 12th Standards
Hit a home run with your lessons. A two-part activity has learners explore quadratic equations that model the path of a baseball. They see how changing the initial speed of the ball affects its maximum height, maximum horizontal...
Lesson Planet

Are You Faster than Bacteria?

For Teachers 9th - 12th Standards
Just how fast does bacteria grow? Over the course of three lessons, pupils investigate exponential growth with the use of bacteria growth. During the lesson, bacteria from a cell phone is grown to make a connection to real life. Using...
Lesson Planet

Logarithm Calculator

For Students 9th - 12th Standards
Support your young scientists' knowledge of logarithms with a quick video lesson. The instruction first presents the relationship between a base-10 logarithm and an exponential equation. It then demonstrates how to use a calculator to...
Lesson Planet

The Magic of Reading Graphs

For Students 9th - 12th Standards
Making conclusions from graphs doesn't need to seem like magic. Learners explore an interactive lesson on reading graphs to strengthen their skills. The content discusses how to read the axes of a graph and draw conclusions based on the...