Understand that rewriting an expression in different forms in a problem context can shed light on the problem, and how the quantities in it are related.

Example: a + 0.05a = 1.05a means that "increase by 5%" is the same as "multiply by 1.05."

ACOS 2009 Correlation
Fourth Grade

7.7 - Recognizing that some integers can be expressed as a product of factors in more than one way.

Seventh Grade

5 - Write verbal phrases as algebraic expressions and algebraic expressions as verbal phrases.

Eighth Grade

3.1 - Applying the substitution principle to evaluate algebraic expressions.

7.EE.1-4 - Expressions and Equations Short Tasks - http://www.map.mathshell.org/materials/tasks.php?taskid=399&subpage=novice - (Task) Students will look at several short tasks or warm-up type problems dealing with basic expressions and equations. These problems vary from expressions and equations using basic operation skills to those using evaluation and analysis.

My Humble Opinion
No new content, possibly increased rigor.

## 7-EE2

## Understand that rewriting an expression in different forms in a problem context can shed light on the problem, and how the quantities in it are related.

a+ 0.05a= 1.05ameans that "increase by 5%" is the same as "multiply by 1.05."ACOS 2009 CorrelationFourth Grade

- 7.7 - Recognizing that some integers can be expressed as a product of factors in more than one way.

Seventh Grade- 5 - Write verbal phrases as algebraic expressions and algebraic expressions as verbal phrases.

Eighth GradeCMP2 CorrelationBookInvestigationObjectiveResourcesFrom Harding Math Specialist

7.EE.1-4-Expressions and Equations Short Tasks- http://www.map.mathshell.org/materials/tasks.php?taskid=399&subpage=novice - (Task) Students will look at several short tasks or warm-up type problems dealing with basic expressions and equations. These problems vary from expressions and equations using basic operation skills to those using evaluation and analysis.My Humble OpinionNo new content, possibly increased rigor.