Inside Mathematics
Swimming Pool
Swimming is more fun with quantities. The short assessment task encompasses finding the volume of a trapezoidal prism using an understanding of quantities. Individuals make a connection to the rate of which the pool is filled with a...
EngageNY
Informal Proofs of Properties of Dilations
Challenge the class to prove that the dilation properties always hold. The lesson develops an informal proof of the properties of dilations through a discussion. Two of the proofs are verified with each class member performing the...
Teach Engineering
Discovering Phi: The Golden Ratio
Fe, phi, fo, fum. This activity leads pairs to find the ratio of consecutive terms of the Fibonacci sequence. The pairs find that the Fibonacci sequence can be found in many places. A discussion with the class shows that the ratios...
Curated OER
Geometry: Parallel and Perpendicular Lines
This basic handout would be good for skills practice or a review of parallel and perpendicular lines. Review the definitions, then practice writing equations of lines that pass through a specific point and are either parallel or...
Curated OER
Constant Net Force
In this forces activity, students calculate life force, acceleration, and displacement for 8 word problems. Students must label force diagram and a summation force model.
Curated OER
Specializing in Space
In this literature book review activity, learners read a nonfiction book about space or space exploration before choosing a topic to explore further. They choose from 7 activities such as designing a model, writing a letter, write about...
Curated OER
Comparing Plant and Animal Cells
In this comparing plant cells and animal cells activity, students view cells from their cheeks and cells from elodea. A Venn diagram reveals similarities and differences between the cells.