Evaluating One-Variable and Exponential Expressions
A 7th grade math CFA (common formative assessment) that walks students through evaluating one-variable and exponential expressions using substitution and the Order of Operations. It builds fluency with negative numbers, exponents, and PEMDAS, and includes a worked example that models careful substitution and step-by-step simplification.
“make a 7th grade math cfa for evaulting expressions”
Teacher Guide & Tips
- Use this as a formative check after a lesson on substitution and order of operations, ideally in a 30-45 minute block at the start or end of a class period.
- Discussion question: Why does (-3)^2 give a different result than -3^2, and how does putting the negative in parentheses change the answer?
- Scaffold for struggling readers: Have students copy the worked example and annotate each PEMDAS step before attempting the practice problems independently.
- Extension for advanced students: Ask them to write their own expression with two variables and create a substitution that tests a common negative-number error.
- Estimated time: about 5 minutes to review the worked example and 25-30 minutes for students to complete the assessment.
What is Diffit?
Teachers use Diffit to get quality materials for their unique classrooms. Adjust difficulty, add scaffolds, or change the topic to get started.
Try Diffit for free“make a 7th grade math cfa for evaulting expressions”
Teacher Guide & Tips
- Use this as a formative check after a lesson on substitution and order of operations, ideally in a 30-45 minute block at the start or end of a class period.
- Discussion question: Why does (-3)^2 give a different result than -3^2, and how does putting the negative in parentheses change the answer?
- Scaffold for struggling readers: Have students copy the worked example and annotate each PEMDAS step before attempting the practice problems independently.
- Extension for advanced students: Ask them to write their own expression with two variables and create a substitution that tests a common negative-number error.
- Estimated time: about 5 minutes to review the worked example and 25-30 minutes for students to complete the assessment.
Evaluating One-Variable and Exponential Expressions
A 7th grade math CFA (common formative assessment) that walks students through evaluating one-variable and exponential expressions using substitution and the Order of Operations. It builds fluency with negative numbers, exponents, and PEMDAS, and includes a worked example that models careful substitution and step-by-step simplification.
What is Diffit?
Teachers use Diffit to get quality materials for their unique classrooms. Adjust difficulty, add scaffolds, or change the topic to get started.
Try Diffit for free