Charlie Haffey

1
MathematicalOperations

• Charlie Haffey
• Norwood Public Schools

2
keyboard characters

• Exponent

• Open Parenthesis (

• Close Parenthesis )

http//keyboardicons.com/free-keyboard-icons/104-s
tandard-pc-keyboard-key-icons-download.html
3
Multiplication
Division /
Addition
Subtraction -
4
Operations Order

• Parentheses,
• Exponents,
• Multiply,
• Divide,
• Add,
• Subtract

PEMDAS
5
PEMDAS

• Please Excuse My Dear Aunt Sally

People Eat More Donuts After Supper
Purple Elephants Marching Down A Street
Purple Eggplants Make Delicious Afternoon Snacks
Peanuts Ended My Donut Addiction Saturday
Pink Elephants Make Dandy Apple Sauce
6
PEMDAS

• Please Excuse My Dear Aunt Sally
• Pink Elephants Make Dandy Apple Sauce
• People Eat More Donuts After Supper
• Purple Eggplants Make Delicious Afternoon Snacks
• Purple Elephants Marching Down A Street
• Peanuts Ended My Donut Addiction Saturday

http//www.acronymfinder.com/PEMDAS.html
7
PEMDAS

• 1 5 6 3 24
• ( 1 5 ) 6 3 24
• 1 (5 6 ) 3 34
• ( 1 5 6) 3 36

8
The Good News

• A computer does exactly what you tell it to do.

The Bad News
A computer does exactly what you tell it to do.
9
MathematicalOperations

• Charlie Haffey
• Norwood Public Schools