Math Expressions

Description

An algebraic expression is any mathematical calculation combining numbers and variables.  The lesson breaks down the parts of an algebraic expression so students can work with the expressions without having to worry about solving them.  Vocabulary like constant, coefficient, and operator are defined within the lesson, along with other relevant algebraic terms.

Classroom Instructions:

1. Begin by explaining to students that it is important for us to learn about the different parts of expressions that we can talk about how they work together.
2. While reading the content pages, reinforce vocabulary and give students additional examples of expressions in order to help them practice the new vocabulary.  Use the additional resources to enhance understanding.
3. Introduce the notes on math expressions. Have students practice using their vocabulary to talk about expressions.  Use the additional resources to enhance understanding.
4. Have students practice while repeating the vocabulary out loud.
5. Follow Activity page with students. Have students work individually.
6. Distribute Practice page. Check and review the students’ responses as a class.
7. Distribute the Homework page. Have students check their work in order to make sure they retained the vocabulary at the beginning of next class.
8. In closing, ask students how we would communicate about math if we didn’t have names for the different parts of expressions.
9. Allow for responses and discussion.

Common Core State Standards: 

None for Grade 4

None for Grade 5

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

Class Sessions (45 minutes): 1 class session

Additional Resources:

• https://www.mathsisfun.com/algebra/definitions.html
• http://www.onlinemathlearning.com/algebra-terms.html
• http://www.mathwords.com/index_algebra.htm
• https://equationfreak.blogspot.com/2014/08/algebraic-expression-foldable.html

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