Solving Algebraic Expressions

Solving Algebraic Expressions

7th Grade · Math · 25 min

Lesson Preview

Learning Objective

I can write and solve algebraic expressions with one variable.

  • 1

    In algebraic word problems, we assign variables to represent unknown quantities and construct equations to represent the relationships between them.

  • 2

    If there are three brothers whose ages are consecutive multiples of three and the sum of their ages is thirty-six, we can represent their ages as X, X + 3, and X + 6.

  • 3

    When solving algebraic word problems, the trickier part is constructing the equations from the given information, while solving them is the easier part.