This activity is a 9 question partner practice that helps students practice solving systems by elimination. You can partner students in groups of 2 or 3 Students solve the problems in the column assigned to them and then compare their answers with their partner. Both partners’ answers should match. If the answers are different, they work together to find and fix the mistake. There are three levels, perfect for differentiation. Level A (Beginning): These problems are the easiest. Students can