Concepts 1.1

1
Bell Work 8/19/14
Evaluate each expression for the replacement set
Evaluate each expression for the replacement set
2
Yesterdays Homework

• Any questions?
• Please pass your homework to the front.
• Make sure the correct heading is on your paper.
• Is your NAME on your paper?
• Make sure the homework is 100 complete.
• Incomplete work will NOT be accepted.

3
What Do Notes Look Like?

• Heading
• Date
• Section and Title
• Notes
• You do not have to copy the text in blue!
• Homework

4
Heading
3/7/2016
Variables and Expressions (translate)
TSWBAT write a word phrase as a variable
expression.
Students simplify expressions before solving
linear equations and inequalities in one
variable, such as 3(2x - 5) 4(x - 2) 12.
5
Notes

• Word Meanings

Addition ()
Subtraction (-)
Multiplication (x)
Division ()
sum plus increased by more than
difference minus decreased by less than
product times multiplied by
quotient divided by
Write the phrase as a variable expression.
Ex.
Ex.
x plus 7
9 times p
6
Notes
Write the phrase as a variable expression.
Ex.
The difference between r and 3.
Now you try.
Ex.
The product of 7 and m.
7
Notes
Give two ways to write each algebraic expression
in words.
Ex.
What words can we use?
difference minus decreased less than
The difference of x and 2 x minus 2 x decreased
by 2 2 less than x
Now you try.
Ex.
What words can we use?
The sum of 7 and y 7 plus y 7 increased by y y
more than 7
sum plus increased more than
8
Notes
Give two ways to write each algebraic expression
in words.
Ex.
What words can we use?
product times multiplied
The product of 8 and r 8 times r 8 multiplied by r
Now you try.
Ex.
What words can we use?
The quotient of x and 2 x divided by 2
quotient divided by
9
Summary
In real life people communicate with words not
math operations. Translation words include sum
means _________, __________ means subtraction,
product means _____________, and ________ means
division.
addition
difference
multiplication
quotient
10
Todays Homework
Rules for Homework

1. Pencil ONLY.
2. Must attempt EVERY problem.
3. Always check your answers.

11
Homework
Write the phrase as a variable expression or
sentence.
1. 8 times x
2. t decreased by 3
3. a divide by 2
4. 5 more than x
6. The product of 5 and n
5. r less than 6
Give two ways to write each algebraic expression
in words.
12
Ticket Out the Door
Complete the Ticket Out the Door without
talking!!!!!
Talking time after the bell!
Put your NAME on the paper.
When finished, turn your paper face DOWN.
Give two ways to write each algebraic expression
in words.