EngageNY
Euler’s Number, e
Scholars model the height of water in a container with an exponential function and apply average rates of change to this function. The main attraction of the lesson is the discovery of Euler's number.
Illustrative Mathematics
Eratosthenes and the Circumference of the Earth
The class gets to practice being a mathematician in ancient Greece, performing geometric application problems in the way of Eratosthenes. After following the steps of the great mathematicians, they then compare the (surprisingly...
Curated OER
Proportionality Using Wind in the Willows
Students examine proportionality in Wind in the Willows by comparing Mr. Toad, objects proportional to him and objects proportional to humans. They then measure a stuffed Mr. Toad and make common objects proportional to Mr. Toad???s...
Curated OER
Circling the Square: Boxing Ring Match
Students analyze the specifications and construction of modern boxing rings. They calculate the area of circles and rectangles by different methods. They compare and contrast different areas in the ring used for attack and defense.
Curated OER
Data Collection
Students investigate qualitative and quantitative data. In this statistics lesson, students gather data on heights and weights of people and graph the distribution. Students discuss the differences between qualitative and quantitative data.
Curated OER
The Doctrine of Signatures
Students use the graphing calculator and the core equation: y=Ax^2+Bx+C where A = the acceleration of gravity/2, B = the initial velocity, and C = initial height above ground to graph parabolas for Earth and Mars. They experiment with...
Curated OER
Discovering Math: Concepts in Geometry
Middle and high schoolers explore the concept of proving the Pythagorean Theorem. They research proofs of the Pythagorean Theorem. Pupils create posters of proofs, and research Greek mathematicians.
Curated OER
When Dinosaurs Ruled the World
Students graph the varying sizes of dinosaurs. In this math and dinosaur lesson, students view dinosaur models and compare the different shapes and sizes of the dinosaurs. Students complete a dinosaur math activity, read The...
Curated OER
Are You a Golden Ratio?
Young scholars explore the concept of the golden ratio in nature and architectural design. They discuss examples such as petals on a sunflower and the Parthenon. In small groups they take turns measuring their body parts to find a...
Curated OER
Ocean Animals vs. Humans
Students use critical thinking skills to solve word problems using ratios that allow them to compare humans to ocean animals.