6.9.C
The Standard
write corresponding real-world problems given one-variable, one-step equations or inequalities
Texas Essential Knowledge and Skills for Mathematics
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students create a real-world story that matches a given one-step equation or inequality. They define the variable and connect each number, operation, and symbol to the situation.
What Mastery Looks Like
- Students write a realistic situation that matches the operation, numbers, and relationship shown. They clearly define the variable and use language such as “at most,” “at least,” or “exactly” correctly.
Common Misconceptions
- Students may reverse the meaning of less than and greater than, or treat an inequality as an exact amount. They may also create a story that uses the wrong operation or leaves the variable unclear.
How to Assess It
- Exit ticket: Write a real-world problem for x + 7 ≤ 20. State what x represents and explain why the inequality symbol fits.
Lesson moves
Ways to Teach It
Give groups price tags and play money, then have them build a shopping situation for a provided equation or inequality.
Ask students to compare stories for x + 4 = 12 and x + 4 ≤ 12, then explain how the meanings differ.
Play a matching game with equation cards, inequality cards, variable descriptions, and short real-world situations.
Use school event limits, ticket costs, and savings goals to write problems for teacher-provided equations and inequalities.
Keep exploring
Related Standards
- 6.9.A
write one-variable, one-step equations and inequalities to represent constraints or conditions within problems
- 7.10.A
write one-variable, two-step equations and inequalities to represent constraints or conditions within problems
- 8.8.B
write a corresponding real-world problem when given a one-variable equation or inequality with variables on both sides of the equal sign using rational number c...
- 7.10.C
write a corresponding real-world problem given a one-variable, two-step equation or inequality
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