Kids who are just beginning algebra have a tough time remembering the algebraic rules of working with positive and negative numbers. This free algebra activity gives sixth graders plenty of practice doing basic mathematical operations on integers. Students work in groups to come up with algebraic equations for the maximum number of whole numbers. Then they exchange equations to cross-check them, and the group with the most correct equations wins. Math Blaster’s printable algebra activities are great for making algebra fun for beginners.