It's just the cost of the game. Using a two-part example, the presenter writes an expression to determine the amount friends spend to attend a game. The video shows the total amount they spend when given the cost of each ticket.

Concepts

algebraic expressions, writing expressions, cost, evaluating expressions, algebraic concepts, algebraic thinking

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Additional Tags

math

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Instructional Ideas

• Lead a discussion on why it may be beneficial to write an algebraic expression instead of performing the arithmetic
• Develop another cost scenario and have classmates calculate the cost based on different prices

Classroom Considerations

• Assumes students are familiar with substitution to evaluate an expression

• This video is hosted on YouTube

Pros

• Includes a link to several other examples
• Shows the arithmetic steps to arrive at the solution

Cons

• None

Common Core

6.EE.A.2.a MP1 MP2 MP4