The product includes 3 different levels of combining like terms.1. Level 1 the students will match the original expression with the combined and simplified expression. This level only contains integers. 2. Level 2 the students will match the original expression with the combined and simplified expression. This level contains positive and negative fractions and decimals. 3. Level 3 the students will match the simplified and combined expression with the perimeter of the shape. Each side is wr