From Prufrock’s Advanced Common Core series, we introduce the Triangle Sums exploration.
A sample puzzle from the Factors and Multiples edition of Prufrock’s Advanced Common Core Math Explorations series.
Do your students skip the steps in math and just arrive at answers? Give them someone else's steps to analyze, include an error, and watch the discussions begin!
How many parking spots are there in Disneyland's giant parking structure?