I can translate verbal expressions into math expressions
![I can translate verbal expressions into math expressions and vice versa. I can translate verbal expressions into math expressions and vice versa.](https://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-1.jpg)
I can translate verbal expressions into math expressions and vice versa.
![What is the area of a rectangle? Length times Width If the length is What is the area of a rectangle? Length times Width If the length is](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-2.jpg)
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. It is any letter that represents an unknown number.
![An algebraic expression contains: 1) one or more numbers or variables, and 2) one An algebraic expression contains: 1) one or more numbers or variables, and 2) one](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-3.jpg)
An algebraic expression contains: 1) one or more numbers or variables, and 2) one or more arithmetic operations. Examples: x - 3 3 • 2 n
![In expressions, there are many different ways to write multiplication. 1) 2) 3) 4) In expressions, there are many different ways to write multiplication. 1) 2) 3) 4)](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-4.jpg)
In expressions, there are many different ways to write multiplication. 1) 2) 3) 4) 5) ab a • b a(b) or (a)b (a)(b) a x b We are not going to use the multiplication symbol any more. Why?
![Division, on the other hand, is written as: 1) 2) x ÷ 3 Division, on the other hand, is written as: 1) 2) x ÷ 3](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-5.jpg)
Division, on the other hand, is written as: 1) 2) x ÷ 3
![Throughout this year, you will hear many words that mean addition, subtraction, multiplication, and Throughout this year, you will hear many words that mean addition, subtraction, multiplication, and](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-6.jpg)
Throughout this year, you will hear many words that mean addition, subtraction, multiplication, and division. Complete the table with as many as you know.
![Here are some phrases you may have listed. The terms with * are ones Here are some phrases you may have listed. The terms with * are ones](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-7.jpg)
Here are some phrases you may have listed. The terms with * are ones that are often used.
![Write an algebraic expression for 1) m increased by 5. m+5 2) 7 times Write an algebraic expression for 1) m increased by 5. m+5 2) 7 times](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-8.jpg)
Write an algebraic expression for 1) m increased by 5. m+5 2) 7 times the product of x and t. 7 xt or 7(x)(t) or 7 • x • t
![3) 11 less than 4 times a number. 4 n - 11 4) two 3) 11 less than 4 times a number. 4 n - 11 4) two](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-9.jpg)
3) 11 less than 4 times a number. 4 n - 11 4) two more than 6 times a number. 6 n + 2 5) the quotient of a number and 12.
![Which of the following expressions represents 7 times a number decreased by 13? 1. Which of the following expressions represents 7 times a number decreased by 13? 1.](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-10.jpg)
Which of the following expressions represents 7 times a number decreased by 13? 1. 2. 3. 4. 7 x + 13 7 x - 13 13 - 7 x 13 + 7 x Answer Now
![Which one of the following expressions represents 28 less than three times a number? Which one of the following expressions represents 28 less than three times a number?](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-11.jpg)
Which one of the following expressions represents 28 less than three times a number? 1. 2. 3. 4. 28 - 3 x 3 x - 28 28 + 3 x 3 x + 28 Answer Now
![Write a verbal expression for: 1) 8 + a. The sum of 8 Write a verbal expression for: 1) 8 + a. The sum of 8](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-12.jpg)
Write a verbal expression for: 1) 8 + a. The sum of 8 and a 2) The ratio of m to r Do you have a different way of writing these?
![Which of the following verbal expressions represents 2 x + 9? 1. 2. 3. Which of the following verbal expressions represents 2 x + 9? 1. 2. 3.](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-13.jpg)
Which of the following verbal expressions represents 2 x + 9? 1. 2. 3. 4. 9 increased by twice a number increased by nine twice a number decreased by 9 9 less than twice a number Answer Now
![Which of the following expressions represents the sum of 16 and five times a Which of the following expressions represents the sum of 16 and five times a](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-14.jpg)
Which of the following expressions represents the sum of 16 and five times a number? 1. 2. 3. 4. 5 x - 16 16 x + 5 16 + 5 x 16 - 5 x Answer Now
![When looking at the expression 103, 10 is called the base and 3 is When looking at the expression 103, 10 is called the base and 3 is](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-15.jpg)
When looking at the expression 103, 10 is called the base and 3 is called the exponent or power. 103 means 10 • 10 103 = 1000
![How is it said? 21 Two to the first power 22 Two to the How is it said? 21 Two to the first power 22 Two to the](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-16.jpg)
How is it said? 21 Two to the first power 22 Two to the second power or two squared 23 Two to the third power or two cubed 2 n 7 Two times n to the seventh power
![Which of the following verbal expressions represents x 2 + 2 x? 1. 2. Which of the following verbal expressions represents x 2 + 2 x? 1. 2.](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-17.jpg)
Which of the following verbal expressions represents x 2 + 2 x? 1. 2. 3. 4. the sum of a number squared and twice a number the sum of a number and twice the number twice a number less than the number squared the sum of a number and twice the number squared Answer Now
![Which of the following expressions represents four less than the cube of a number? Which of the following expressions represents four less than the cube of a number?](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-18.jpg)
Which of the following expressions represents four less than the cube of a number? 3 1. 4 – x 2. 4 – 3 x 3. 3 x – 4 4. x 3 – 4 Answer Now
![Evaluate. 21 2 22 2 • 2 = 4 23 2 • 2 Evaluate. 21 2 22 2 • 2 = 4 23 2 • 2](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-19.jpg)
Evaluate. 21 2 22 2 • 2 = 4 23 2 • 2 = 8 2 n 7 We can’t evaluate because we don’t know what n equals to!!
![Is 35 the same as 53? Evaluate each and find out! 35 = 3 Is 35 the same as 53? Evaluate each and find out! 35 = 3](http://slidetodoc.com/presentation_image/e1130377a07f17014fd2a9d70eeac7a2/image-20.jpg)
Is 35 the same as 53? Evaluate each and find out! 35 = 3 • 3 • 3 = 243 53 = 5 • 5 = 125 243 ≠ 125 They are not the same!
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