CCSS.Math.Content.6.EE.A.2b

Math6th GradeExpressions and Equations

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

Teacher's field guide

What This Standard Means

What Students Need to Do

Students name the parts of algebraic expressions using precise math words. They also recognize that parentheses can make several terms act as one factor or other single unit.

What Mastery Looks Like

Students correctly use sum, term, product, factor, quotient, and coefficient when describing expressions. They can treat a grouped part, such as 3x + 5, as one factor while also naming its internal parts.

Common Misconceptions

Students may call every number a coefficient or treat factors as terms. They may also ignore parentheses and describe 2(8 + 7) as three separate terms instead of a product with two factors.

How to Assess It

Give students 4(3x + 5). Ask them to name the factors, identify the coefficient of x, and describe 3x + 5 as one entity and as a sum.

Lesson moves

Ways to Teach It

  1. Give pairs expression cards and colored tiles, then have them cover and label each term, factor, coefficient, and grouped expression.

  2. Ask students to explain two correct ways to describe 5(x + 2), including what the parentheses make into one entity.

  3. Play Expression Detective by reading clues such as “a product with two factors” while students select the matching expression card.

  4. Use a grocery total such as 3(4 + 2) and have students explain what each factor, term, and sum represents.

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Printable 6.EE.A.2b Worksheet

Preview of the CCSS.Math.Content.6.EE.A.2b printable worksheet

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Learning progression

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