Curriculum placement
Grade 6. This describes the skill, not a learner estimate.
Expressions with variables
Translate and evaluate expressions with variables
Problem types
- Tell an expression from an equation
- Label the parts of an expression
- Put a value into a rule
- Show the work: costs, expressions and a one-time coupon
- What can change?
Builds on
- Whole-number powers
- Reading a numerical expression
- Multi-operation word problems · Useful idea
A story with a quantity that changes needs a way to name that quantity. A letter stands for the changing amount, which is what a variable is.
- Perimeter of a polygon · Useful idea
Adding side lengths gives a perimeter. With a letter for an unknown side, the same sum is an expression you can evaluate.
Leads to
Related skills
- Approximating roots · Shared foundations
- Circumference and area of a circle · Shared foundations
- Laws of exponents · Shared foundations
Open the interactive map to explore lessons and skill connections.