1. Find the Perimeter AND the Area of the shape below

2. A = b h
A = 5 x 3
A = 15 ft2
3 ft
5 ft

3. Perimeter means to ADD up all the sides
5 ft
3 ft
3 ft
5 ft
= 16 ft

4. Ch. 6-1 A
Order of Operations

5. Please Excuse My Dear Aunt Sally
P.E.M.D.A.S
Please Excuse My Dear Aunt Sally
Parenthesis ( )
Exponents 23
Multiply OR Divide
Add OR Subtract
The last 2 parts you DON’T do in order, you do whichever you see FIRST!!!

6. Expressions – combine numbers and operations
Multiply comes first!
4 + 3 x 5
= 19

7. Make sure to follow the proper order!
10 – 2 + 8
For + and – you do the FIRST one you see!!!
10 – 2 + 8
8 + 8 = 16

8. Rewrite after EVERY step!
20 ÷ x (9 – 6)
20 ÷ x (9 – 6)
Parenthesis
20 ÷ x 3
20 ÷ x 3
Divide
x 3
x 3
Multiply
= 56

9. Exponents can be tricky!
Exponents mean 6 x 6 NOT 6 x 2!
3 x
3 x
3 x
Multiply
= 112

10. Lets try this…ALL the steps!
96 ÷ 42 + (25 x 2) –
96 ÷ –
96 ÷ – –
56 –
41 – 3 = 38

11. Use this for certain word problems
Alexis and 3 friends decide to have a snack at the mall. Each person buys a hot pretzel for $3, a dipping sauce for $1, and a drink for $2. Write an expression for the total cost and then find the total cost.
$3 x 4 + $1 x 4 + $2 x 4
12 + $1 x 4 + $2 x 4
$2 x 4
= 24