This differentiated open-ended math project challenges 4th grade and 5th grade students with real-world problem solving centered around planning a bake sale to raise money for an animal shelter. Students apply addition and subtraction with money, basic multiplication, table reading, and multi-step problem solving through a low floor high ceiling task — at two levels so every learner is challenged. This isn't a worksheet. It's a thinking task. Your students are going to plan an entire bake sale —