Perimeter / area

1
Lesson 5.2

• Perimeter / area

2
Obj to calculate Perimeter area on a
coordinate plane
Rectangle
Square
P 2L 2W
P 4 x S
A L x W
A S2
3
Lesson 5.3

• Distributive Property (1 to every term)

4
Obj To distribute over addition subtraction.

• Distributive Property Rules

a (b c) ab ac
(b c) a ab ac
a (b c) ab - ac
5
Example 1 order of operation
6 (2 4)

• 6 (6)

12 24
36
36
6
Example 2 Distributive Property

• 4 (3y ? 2)

12y 8
7
Example 3
2x (3yz 7a 9b ? 12)
6xyz 14ax 18bx ? 24x
8
Example 4

• ?3 (?2x ? 4y 3)

6x 12y ?9