6th Grade · Expressions & Equations
Substitute
6.EE.A.2c
Definition
To replace a variable with a given number so the expression can be evaluated.
Teach it
Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.
Examples
- Substitute x = 4 into 3x: 3(4) = 12.
- Replace the variable, then evaluate.
Key rule
Substituting means swapping the variable for its number.
Memory hook
Swap the letter for the number.