Write & Evaluate Expressions

Evaluate the expression when a=10.

6a

Evaluate the expression when b=4.

 $\frac{12}{b}$  

Evaluate the expression when c=3.

 $8^c$  

The formula used to calculate the area of a triangle is shown below; where a stands for area, b stands for base, and h stands for height. Calculate the area of a triangle that has a base which measures 10 feet and a height of 3 feet.

The expression 10+2r can be used to calculate how much someone spends at the fair; where 10 represents the cost of the admission and 2r is the cost for each ride.

How much will a person that rides 8 rides spend at the fair?

Translate the expression. Use n for the variable.

twice a number plus 3

Translate the expression. Use n for the variable.

eight less than a number

Translate the expression. Use n for the variable.

a number increased by the difference of eight and six

Rod Wave's charges $75 for concert tickets, $15 for shirts, and $35 for VIP passes. Create an expression that can be used to calculate the total cost for anyone that attends the concert.

Let t represent the tickets, s represent shirts, and v represent the VIP passes.

Chuck E. Cheese charges families $100 for a birthday party reservation, $25 for each game card, and $10 for each pizza. Create a formula that can be used to calculate the total cost for a party.

Use g to represent the game card and p to represent the pizza.