WARM UP.

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Presentation transcript:

WARM UP

Check Homework

Section 1.3 Properties of Numbers Agenda: Warm Up Check Homework Notes Card Sort Order of Ops Pennant

Example 1 a) Evaluate: 1 4 12−8 +3(15÷5−2) b) Evaluate: 2∙3+(4∙2−8)

Example 2 Becky made a list of trail lengths to find the total miles she rode. Find the total miles Becky rode her horse.

Equivalent expressions Equivalent expressions: Expressions that denote the same value for all values of the variable(s).

Properties of Equality

Addition Properties

Multiplication Properties

Commutative Property

Associative Property

1____ 2____ 3____ 4____ 5____ 6____ 7____ 8____ 1.3 Practice 1____ 2____ 3____ 4____ 5____ 6____ 7____ 8____

1. A travel checks into a hotel on Friday and checks out the following Tuesday morning. Use the table to find the total cost of the room including tax.

2. Tickets to a baseball game cost $25 each plus $4 2. Tickets to a baseball game cost $25 each plus $4.50 hangling charge per ticket. If sharon has a coupon for $10 off and orders 4 tickets, how much will she be charged?

Brain Break!

3. The cost of tickets to a local amusment park are shown. a) Write an expression to represent the the total cost given adult and child tickets b) Find the total cost for 5 adults and 8 children.

4. The XYZ Car Rental Agency charges a flat rate of $29 per day plus $0.32 per mile driven. a) Write an algebraic expression for the rental cost of a car for x days that is driven y miles. b) Find the total cost for a car for 3 days that is driven 1,000 miles.