Curated OER
Adding Integers with Counters
Learners add integers and use counters to create a visual. In this algebra lesson, students work in pairs as they use the computer to add integers. They complete an assessment on adding integers at the end of the activity.
West Contra Costa Unified School District
Linear-Quadratic Systems
Why do I have to learn two different ways to solve linear-quadratic systems? Isn't one way enough? Learners first investigate the three possible situations for linear-quadratic systems (two, one, or zero solutions), then solve such...
Curated OER
Factoring Trinomials
Students factor trinomials using algebra tiles and blocks. In this algebra lesson, students complete a trinomials station activity. They work backwords to find their answers and discuss their steps in a group.