SF Environment
Sort and Color!
Sorting is a very important skill that can be used in math and even science. Learners get familiar with some environmentally friendly vocabulary terms as they practice separating objects that can be recycled from those that can't. They...
Curated OER
Mathematics Lesson Plan
Second graders study subtraction facts. In this mathematics instructional activity, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such...