An equation is a statement with an equals sign, stating that two expressions are equal in value, for example: \(3x + 5 = 11\). Solving an equation means finding the value or values for which the two ...

The questions in this quiz are suitable for GCSE maths students studying equations and identities, number machines, solving equations, solving equations with brackets, solving equations with unknowns ...

Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...

https://doi.org/10.5951/jresematheduc.50.1.0051 • https://www.jstor.org/stable/10.5951/jresematheduc.50.1.0051 Copy URL Using instructional exchanges as a ...