1.1 Order of Operations and Basic Equations.notebook
August 11, 2015
Bellwork
Simplify the following.
1. ­2 + (­5) = 5. 8 ­ (­1) =
2. ­11­ 12 = 6. ­99/­11 =
3. (­2)(­4) = 7. 12/­4 =
4. 5(­15) = 8. ­9 + 5 ­ 7 + (­1) = 1.1 Order of Operations-Basic
Equations
Objectives:
TSW: 1. Use the order of operations to evaluate real number
expressions.
2. Solve basic equations.
Jul 23­5:42 PM
Page 1 Title Page
Order of Operations
Which one is right?
Parenthesis () [] - inner to outer
Exponents
Multiply
Whichever comes first left to right
Divide
Add
Whichever comes first left to right
Subtract
]
]
Page 2 order of operations
Method 1:
16 + 5(35)
= 16 + 175
= 191
Method 2:
16 + 5(35)
= 21(35)
= 735
Method 1
Pull Me
Page 4 which one is right?
Your Turn!
Examples:
Evaluate the following.
Evaluate the following.
1. 2(-3)2 + 9(-1) - 11 =
1. (-4)2 + -1(2)(-3) =
22
2. (-7)2 + 5 =
-9
-6
-2
2. 54 - 8(-3) =
649
page 3 examples
36
page 5 your turn
1
1.1 Order of Operations and Basic Equations.notebook
August 11, 2015
Examples:
Solving Equations
1 11x - 4 = 29
1. Undo any addition or subtraction.
(not touching a variable)
2 10x - 6 = -4
2. Multiply or Divide to isolate the variable.
**Always do the opposite operations**
Add
Subtract
Multiply
Divide
Jul 23­5:42 PM
Solve the equations
4 2x + 3x = 10
5 9y - 6y = -30
3 3x + 7 = -8
Sep 19­6:56 AM
Assignment
1.1 Worksheet
6 -3(2y + -3y) = -25
Sep 19­6:56 AM
Jun 13­3:12 PM
Closure
Explain how to solve the equation in your
words.
5x - 3y = -30
Jun 13­3:12 PM
Aug 12­4:53 PM
2