Learner Preview · Mathematics
Your goal
investigate situations in which letters stand for quantities that are variable so that they can: generate and interpret expressions in which letters stand for numbers; find the value of expressions given the value of variables; and use the concept of equality to generate and interpret equations
Choose how to enter
Read · Listen · Watch · Visual Map · Interactive · 3D only where it helps understanding
Accessibility
Easy / Standard / Exam language · read aloud · reduced motion · chunked instructions · vocabulary support · voice or typed response · non-drag/non-visual alternative where needed.