Writing Equations & Solving Applications

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Presentation transcript:

Writing Equations & Solving Applications

Warm Up Use the numbers 1, 2, 4, and 5 in any order to write expressions to equal each integer from 1 to 20. Examples:

HW check

The sum of Juanita’s age and Sara’s age is 52 years The sum of Juanita’s age and Sara’s age is 52 years. If Sara is 24 years old, how old is Juanita? Define the Variable: Write an Equation: Solve the Equation: Check the Solution:

The total ticket sales for a soccer game were $500 The total ticket sales for a soccer game were $500. The tickets were $4 each. How many people attended the game? Define the Variable: Write an Equation: Solve the Equation: Check the Solution:

To ride in a cab you pay a flat fee of $3 plus $0. 08 per mile To ride in a cab you pay a flat fee of $3 plus $0.08 per mile. How many miles did you travel if the total cost was $5.40? Define the Variable: Write an Equation: Solve the Equation: Check the Solution:

Round-about In your groups, take 2 minutes per problem. DEFINE your variable, WRITE your equation, SOLVE the problem, CHECK your solution.

Let’s work backwards!

Notecard Activity On the front of your card, write an equation. On the back of your card, write a story / situation. Trade cards. You now solve the card be repeating the process again. Turn in!