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...
Curated OER
Guess My Shape
Students describe shapes to other students who have to guess that shape. In this shape lesson plan, students describe shape attributes to other students. Then those other students have to guess the shape that is being described to them....
Curated OER
Introduction to Biometrics
Students use the internet to research how biometrics is being used in the real world today. They work together to research hand geometry applications. They share their findings with the class.