Curated OER
Negative Exponents
Seventh graders practice writing and solving expressions involving negative exponents. The teacher uses an overhead projector to do example problems while lecturing to the students. They use notes taken in class to help do the...
Education Institute
Four Mathematics Lessons for Grade 9
These four lesson plans build algebra skills for working with numbers in exponential form and for examining triangles. Be aware that in the text, scientific notation is referred to as index notation and the laws of exponents as the laws...
Mathematics Assessment Project
Representing the Laws of Arithmetic
Sixth graders connect numerical expressions to geometric area. They first complete an assessment task requiring them to identify area models for numerical expressions. Learners then participate in an activity to match area models to...
Curated OER
Teaching a Language Function Based on Communicative Principles
Students, through the creation of several natural dialogs, experiment with social parameters of the language. They work with how languages vary depending on the relationship between the speakers and the types of tasks being discussed....