People on TikTok are stunned that 29 multiplied by 3 is 87. Number values can be very psychological, "sounding" one way while being another. Division rules and common core principles can help unwire ...

Time to test your brain! Are you a puzzle person? Most of these hard math problems aren’t straightforward arithmetic. They challenge you to look at problems a different way, testing your logic and ...

Student work posted in an elementary school before the pandemic shows the “partial product” method of solving a multiplication problem, one of many methods students have learned with Common Core.

Why did the approach to mathematics change with Common Core, rather than providing more structure to how it was previously taught? originally appeared on Quora: the place to gain and share knowledge, ...

"Regular" high school seniors in Australia faced an astonishing statistics problem in their exams. Math is having a high profile year, from common core to Australia's high school exit exams. The math ...

I enjoyed reading your recent discussion with Alex Baron, “How Much Autonomy Should Teachers Have Over Instructional Materials? ” In particular, I was struck by your skepticism about whether ...