These low-floor, high-ceiling problems support differentiation, challenging all students by encouraging flexible thinking and ...

Take the pressure off of problem-solving with engaging thinking games that encourage students to work together to find ...

Students in Kristen Gonsoir’s classroom at Groton Area High School in Groton, S.D., spend a lot of time solving equations together. Early this school year, they passed almost an entire period working ...

Staring at a page of derivatives or integrals can feel like trying to read a foreign language. Your professor moves fast, the ...