In algebra, letters are used to stand for values that can change (variables) or for values that aren’t known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...

In algebra, letters are used to stand for values that can change (variables) or for values that are not known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...

*Symbols in Algebra* (1961) is an **11-minute educational film** produced by Coronet. Through **animation and special film techniques**, the film explains how **algebraic symbols** allow us to ...