CCSS.Math.Content.6.EE.A.2b
The standard
Identify parts of an expression using mathematical terms (sum, term, product, factor, quotient, coefficient); view one or more parts of an expression as a single entity.
Common Core State Standards for Mathematics
What this standard means
Students need to name parts of algebraic and numeric expressions: terms, factors, coefficients, products, sums, and quotients. They also need to see grouped parts, like parentheses, as one piece while still knowing what is inside the group.
Mastery looks like a student pointing to 4(3 + x) and saying 4 and (3 + x) are factors, (3 + x) is a sum, and x has coefficient 1. Students often mix up terms and factors, ignore parentheses, or call every number a coefficient.
Ways to teach it
- Hands-on: Give students expression cards and have them cut apart terms, circle factors, and box grouped parts with colored pencils.
- Prompt: Explain why 5(2 + y) can be seen as a product, even though part of it is a sum.
- Quick assessment: Display 3x + 7 and ask students to label one coefficient, one term, and one sum on a sticky note.
- Real-world connection: Use 6(p + 2) for six movie tickets with a snack fee, and identify what each part represents.
Plan a lesson for CCSS.Math.Content.6.EE.A.2b
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Related standards
- CCSS.Math.Content.6.EE.A.2c
Evaluate expressions at specific values of their variables. Include expressions that arise from formulas used in real-world problems. Perform arithmetic operati...
- CCSS.Math.Content.HSA-SSE.A.1a
Interpret parts of an expression, such as terms, factors, and coefficients.
- CCSS.Math.Content.HSA-SSE.A.1b
Interpret complicated expressions by viewing one or more of their parts as a single entity.
- CCSS.Math.Content.6.EE.A
Apply and extend previous understandings of arithmetic to algebraic expressions.