Curated OER
Fruity Math
Students solve one step linear equations. For this algebra lesson, students manipulate their variables and numbers to answer each problem. They make sure the equations stay balanced at all times.
Curated OER
Good Citizen Posters
Third graders create a poster documenting the responsibilities of a good citizen. During group discussion, they develop a list of ways in which they can participate as responsible citizens in their society. Students use their list to...
Oswego City School District
Regents Exam Prep Center: Closure Property
This site gives a very clear discussion on the topic of closure of sets over an operation with many examples.
Math2
Math2.org: Basic Algebraic Identities
The basic identities and properties of addition and multiplication are listed. No explanation, simply the identities.