Objective The student will be able to: translate verbal expressions into math expressions and vice versa. Common Core Standards: 6.EE.1 6.EE.2

A player’s Batting Average is determined by dividing the number of hits the player gets by the number of ‘at bats’ a player has. If Ken Griffey gets 6 hits in 20 ‘At Bats’: A) Explain how you find out his batting average? B) What is Griffey’s Batting Average? Bell Ringer: SWBAT: translate verbal expressions into math expressions and vice versa

What is the area of a rectangle? Length times Width If the length is 3 meters and the width is 2 meters, what is the area? A = L x W A = 3 x 2 = 6 meters 2 A, L and W are the variables. Question: Variable:any letter that represents an unknown number. SWBAT: translate verbal expressions into math expressions and vice versa

An algebraic expression contains: Algebraic Expression SWBAT: translate verbal expressions into math expressions and vice versa

In expressions, there are many different ways to write multiplication. 1)ab 2)a b 3)a(b) or (a)b 4)(a)(b) 5)a x b We are not going to use the multiplication symbol any more. Why? Question: Division, on the other hand, is written as: SWBAT: translate verbal expressions into math expressions and vice versa

Throughout this year, you will hear many words that mean addition, subtraction, multiplication, and division. Complete the table with as many as you know. SWBAT: translate verbal expressions into math expressions and vice versa

Here are some phrases you may have listed. The terms with * are ones that are often used. SWBAT: translate verbal expressions into math expressions and vice versa

Write an algebraic expression for 1) m increased by 5. m + 5 2) 7 times the product of x and t. 7xt or 7(x)(t) or 7 x t Exercise: SWBAT: translate verbal expressions into math expressions and vice versa

3) 11 less than 4 times a number. 4n ) two more than 6 times a number. 6n + 2 5) the quotient of a number and 12. SWBAT: translate verbal expressions into math expressions and vice versa

Which of the following expressions represents 7 times a number decreased by 13? 1. 7x x x x Answer Now

Which one of the following expressions represents 28 less than three times a number? x 2. 3x x 4. 3x + 28 Answer Now

Write a verbal expression for: 1) 8 + a. Do you have a different way of writing these? The sum of 8 and a The ratio of m to r Question: SWBAT: translate verbal expressions into math expressions and vice versa

Which of the following verbal expressions represents 2x + 9? 1. 9 increased by twice a number 2. a number increased by nine 3. twice a number decreased by less than twice a number Answer Now

Which of the following expressions represents the sum of 16 and five times a number? 1. 5x x x x Answer Now