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 combination of letters and/or numbers, often multiplied together, ...

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 when numbers are not known. Algebraic terms, such as \(2s\) or \(8y\), leave the multiplication signs out. So rather than \(2 \times s\), write \(2s\), and rather than \(8 ...

Math Riddles for Class 8: Check out Algebraic Expressions Class 8 Puzzles for Preparing Important Topics for Class 8 Mathematics. Learn the tricks and solutions for algebraic problems. Math Riddles: ...

Journal for Research in Mathematics Education, Vol. 40, No. 3 (May, 2009), pp. 282-313 (32 pages) Solving arithmetic and algebraic word problems is a key component of the Singapore elementary ...