NC.7.EE.2
Understand that equivalent expressions can reveal real-world and mathematical relationships. Interpret the meaning of the parts of each expression in context.
Example Problems
A gamer has a score of , then gains points.
Write an equation to represent the new score.
Write an equation to represent the new score.
A football team gained 12 yards on the first play, then lost 20 yards on the next play.
Write an expression for the total yardage.
Write an expression for the total yardage.
A submarine is at below sea level. Then it rises .
Write an equation that shows its new depth.
Write an equation that shows its new depth.
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