Solve the equation \(\frac{3s + 9}{4} = 7\). This means \(3s + 9\) has all been divided by 4. To solve the equation, inverse the operations. The opposite of dividing by 4 is multiplying by 4. Any ...

Find out how and why mathematics is used in microeconomics, its limitations, and the math skills that economics students need.

Duolingo is launching its math app to the public months after a beta version joined the app store. The math app, named Duolingo Math, is the first subject expansion that Duolingo has made beyond its ...

Most linear algebra courses start by considering how to solve a system of linear equations. \[ \begin{align} a_{0,0}x_0 + a_{0,1}x_0 + \cdots a_{0,n-1}x_0 & = b_0 ...

Just a few short sessions with number board games boost counting, number recognition, and quantity understanding.

Meet PhotoMath, an iPhone and Android app that solves math problems photographed with your smartphone’s camera. Simply flip open the app, scan the problem as it appears in the textbook, and the app ...

Playing linear number board games, those where players move pieces along a straight numbered path, can significantly ...