In this fun, food-themed activity, students practice calculating percent increase and decrease using real-world situations about pizza, ice cream, hamburgers, sandwiches, and more! Each problem features a short, relatable scenario where students determine how quantities change, write an equation to represent the situation, and show their thinking with a diagram. 5.NBT.B.7 – Solve real-world decimal problems.6.RP.A.3.C – Find a percent of a quantity and solve percent increase/decrease problems.7