Situation Your friend leaves you a message about your vacation plans. They listened to your answering machine and left this message. Your friend does not speak English very well. YOUR FLIGHT DEPARTS CHICAGO AT 5 PM TOMORROW YOU WILL BE IN LONDON BY 8 AM IN THE MORNING YOU MUST CALL THE AIRLINE TO CONFIRM THIS CHANGE. 1.When is the plane leaving, today or tomorrow? 2.When are you supposed to call the airline? 3.What can happen if words are translated to paper in a different way than they are intended?

True Headlines: Here are headlines that actually appeared in the paper. Local High School Dropouts Cut in Half Lansing Residents Can Drop Off Trees Squad Helps Dog Bite Victims Two Sisters Reunite After 18 Years at Checkout Counter Dealers Will Hear Car Talk at Noon Pick one headline and re-write it to make it easier to understand.

Numeric expression- A mathematical sentence without an equal sign. Made up of numbers, grouping symbols and operations. Ex Algebra – A language of symbols. Algebraic expression – an expression where variables and numbers are joined by any combination of the four basic operations (+, -, x, /). ex. M + 5 Variable – a placeholder for any value. Any letter (n, m, j, x) can be used to represent an unknown quantity in an expression.

Number of hours Money Earned h A babysitter earns $5 per hour babysitting. What expression would represent the babysitter working h hours? 5h

Zac’s MilesJohn’s Miles m John biked 8 miles less than Zac. What expression would represent John’s miles if Zac bikes m miles? m - 8

Number of Hours Total Earnings h Rashir and Ramon were starting a landscape business. They earn $7.50 per hour. What expression would represent how much they would make if they worked h hours? 7.50 h

Number of Chores Total Earnings $8.00 $16.00 $24.00 $40.00 d Your family will pay you $8 for each chore you complete. What expression would represent how many chores you would have to do to make d dollars? d ÷ 8

1. A helicopter rises four times as fast as a hot air balloon. Write an algebraic expression to represent how fast the helicopter rises in relation to the hot air balloon. 2. Ms. Ruark’s purple pen is six and four tenths centimeters shorter than the length of a pencil. Write an algebraic expression to represent how long Ms. Ruark’s purple pen is in relation to the pencil. H 4 p – 6.4 Guided Practice

3. Alex types 13 words per minute faster than Michelle. Write an algebraic expression to represent how fast Alex types in relation to Michelle. 4. Sixty five pieces of candy shared with a class of s students. Write an algebraic expression to represent how the candy in relation to the number of students. M ÷ s Guided Practice

5. Sirena fed 13 carrots to her horse on Monday and y carrots to her horse on Tuesday. Write an expression to represent how many carrots Sirena fed her horse on Monday and Tuesday. 6. A BMS shirt costs d dollars each. Ms. Ruark buys 15 shirts. Write an expression to find the total cost of the shirts y 15d Guided Practice

7. Three fourths of the sixth graders at BMS ride the bus. Write an expression that represents the number of students who ride the bus. Guided Practice

1) The quotient of x and 13. 2) Mark is eight and one-fourth inches taller than Michaela’. If Michaela’s h inches tall, write an expression to represent Mark’s height. 3) Darien shot 14 times the number of baskets Stefon shot. If Stefon shot b baskets, write an expression to represent Darien’s shots. 4) Brandy is 6.9 years younger than Sarah. If Sarah is y years old, write an expression to represent Brandy’s age. Exit Ticket – Translate. 14b y – 6.9

Number of Shirts Total Cost s Bennett Middle School PTA can buy school t-shirts in quantity at the following prices: Shirt Cost - $8.00 per shirt Delivery on all orders - $40 What expression would the total cost for s shirts? 8s + 40

Number of Hours Rental Cost h Roger rents a power washer to clean his deck. The total cost includes a one-time rental fee of $15 plus $14 for each hour. What expression would the rental cost for h hours? 14h + 15

Number of Weekly Deposits Account Balance d Sarah opens a new checking account. She deposits $50 each week and pays a one- time charge of $7 to have her checks printed. What expression would the total amount for d deposits? 50d - 7

1. Write an algebraic expression to represent, six more than three times a number, k. 2. Comcast Cable (cost based per month) $32.50 – basic cable $4.95 – per premium channel Write an algebraic expression to represent total cost for p premium channels. 3k p Guided Practice

3. Martin rode his bike 17 miles shorter than four times the distance Mike rode, r. Write an expression to find the distance Martin rode. 4. Jack has 20 pieces of candy fewer than half of what Kayla has, k. Write an expression to represent how much Jack has. 4r – 17 Guided Practice

5. It costs $11.50 per hour to rent a motorboat at Shad Landing plus $4.95 for gas. Write an expression that would be used to determine the cost to rent a motorboat for s hours? 6. Old McDonald has eighty more than twice the amount of blueberry bushes, b, Young McDonald has. Write an expression that would be used to calculate the number of blueberry bushes Old McDonald has s b + 80 Guided Practice

7. There are thirteen flowers taken from f flowers which will then be divided equally into 8 bouquets. Write an expression that would be used to find the number of flowers for each bouquet. 8. Michael tripled his savings account, m, with an additional increase of $18. 3m + 18 Guided Practice

1) Eight times x, increased by four. 2) Bill and his brother joined Netflix last month. They pay a $5.50 fee plus $0.99 per DVD rental, r. Write an expression to represent their monthly Netflix cost. 3) Sarah is seven years younger than three times the age of her youngest brother b. Write an expression to represent Sarah’s age. 4) Twenty less than one-sixth of the 6 th grade student population, p, at BMS plays in after school sports. Write an expression to represent the students that play after school sports. 8x + 4 Exit Ticket – Translate r 3b - 7