Algebra is a core part of mathematics that develops critical thinking and problem‑solving skills. Among its many topics, inequalities stand out as both essential and challenging for students. Whether ...

Deep, active learning of mathematics for all students. We applaud this goal of California’s new math framework, an increasingly urgent priority in our data-rich, technology-enhanced age. However, the ...

Plotting graphs of inequalities works almost exactly the same way as plotting graphs. Simple inequality graphs can be plotted parallel to the \(x\) or \(y\) axes and tables of values can help to plot ...