Math Riddles: Today we bring fun and interactive Algebra math puzzles for students to prepare better for Class 8 Important Topic which is Algebraic Expressions and Identities. Students can learn and ...

In algebra, letters are used to stand for values that can change (variables) or for values that aren’t known (unknowns), for example: ...

Two of the terms involve the variable \(x\) and two involve the variable \(y\). If there is only one of a letter, you only write the letter with no 1 in front of it, eg \(4b - 3b = b\) NOT \(1b\).