Parsing algebraic expressions is always a pain. If you need to compute, say, 2+4*2, the answer should be the same as (2 + (4 *2)), not ((2 + 4) * 2) — in other words, the right answer is 10, not 12.

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 ...

Break down even the most complex formulas! Learn the mindset and steps to truly grasp any math expression, no matter the level.

As leaders of science and engineering departments at a public university, we have front row seats to the outcomes of America’s approach to kindergarten-12th grade (K-12) math education. We see ...