With this engaging activity on Factoring Special Binomials - Difference of Two Perfect Squares your students practice factoring binomials using the difference of two perfect squares. Included: 20 Task Cards which increase in difficulty numerically. Since most students do not have a lot of difficulty with factoring binomials, I designed the cards to be multiple choice. Students seem to do (a + b)(a - b) very fast without thinking. With 4 similar answers choices, they tend to spend more ti