7th Grade · Expressions & Equations
Equivalent Expressions
7.EE.A.1
Definition
Algebraic expressions that have the same value for all values of the variable. Created by applying properties like the distributive property or combining like terms.
Teach it
Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.
Examples
- 2(x + 3) and 2x + 6 both equal 14 when x = 4.
- 3x + 2x and 5x both equal 15 when x = 3.
Key rule
Test any value of x — equivalent expressions always give the same result.
Memory hook
Different look, same value, every time.