Stage 5: Justify thinking. A vital habit that many students need to solidify is recontextualizing after they solve ...

An equation is a mathematical statement showing that two expressions are equal. The two expressions are linked with an equals symbol (=). The unknown variable (often the letter \(x\)) can take any ...

Look at the National 4 factorising section before continuing. When a question asks you to 'solve' a quadratic equation, this means that you are to find the roots of the quadratic. In other words, ...

Standard 1 of the Standards for Mathematical Practice begins with the words, “make sense of problems,” which makes sense to me, since you can’t solve problems--or at least solve them thoughtfully and ...

With as many problems as we are all faced with in our work and life, it seems as if there is never enough time to solve each one without dealing with some adversity along the way. Problems keep ...

If there are nine people in a room and every person shakes hands exactly once with each of the other people, how many handshakes will there be? How can you prove your answer is correct using a model ...

I’ve said this many times before and I’ll say it again: Problems are opportunities in disguise! When most people think about problems, they picture a cluster of negativity that will eventually bury ...

In 2012 I, along with a group of like-minded colleagues, signed up to take on an audacious goal: we helped open New York City’s first public high school focused on computing. We didn’t know it at the ...

An curved arrow pointing right. If you have ever imagined yourself living the sweet life like Mark Zuckerberg or Bill Gates, you can by solving one of these five problems the world has been trying to ...