Algebra 1 Foundations
NY-7.EE.1
Represent and rewrite algebraic expressions
Represent unknowns with variables, terms, coefficients, constants, and expressions.
Learn the skill
- 1Represent unknowns with variables, terms, coefficients, constants, and expressions.
- 2Use properties to combine like terms and rewrite expressions without changing meaning.
Cited instruction
Use the publisher's material for instruction, then return to PeerTutor for the checked practice written for this skill.
Mathematics Guidance & Resources · New York State Education DepartmentPractice preview
Simplify 9x + 7x.
Expand 3(x + 8).
Simplify 5x + 2x.
Course mapping reviewed by Nikhil on 2026-08-26. Practice is authored for PeerTutor and does not reproduce linked providers' exercises.