6th Grade · Expressions & Equations
Equivalent Expressions
6.EE.A.4
Definition
Expressions that always have the same value no matter what number the variable is.
Teach it
Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.
Examples
- 2(x + 3) = 2x + 6 — same value for every x.
- At x = 4: 2(4+3) = 14 and 2(4)+6 = 14 — they match.
Key rule
Equivalent expressions give the same result for every value of the variable.
Memory hook
Different form, same value, always.