Do Now. You have 5 minutes. 1. Jenny has saved $25 to buy a new pair of shoes. Each month, she saves $5 towards the shoes. Which expression could be used.

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Presentation transcript:

Do Now. You have 5 minutes. 1. Jenny has saved $25 to buy a new pair of shoes. Each month, she saves $5 towards the shoes. Which expression could be used to find the total amount saved after m months? a.5m b m c.25m + 5 d.25m + 5m 2. The cost to rent a laptop from Best Buy is $20 plus $10 per hour. Write an expression to find the total cost for any number of hours.

Today’s Objective SWBAT graph ordered pairs on the coordinate plane.

Introduction to Graphing: terms for those in the know 1.When graphing points: you can locate a point by using a coordinate system similar to the grid of a park (or Washington, DC) – put up map of Washington, DC. 2.The grid is called: Coordinate plane 3.Y-axis: the y-axis the vertical number line 4.X-axis: the horizontal number line 5.Quadrants: four sections of the coordinate plane 6.Origin: the point of intersection of the two number lines

Intro to Graphing: Ordered Pairs You can graph any point on the coordinate plane by using an ordered pair. (3,2) The first number in the ordered pair is the x- coordinate. The second number is the y-coordinate. Steps to name an ordered pair: 1. Start at the origin 2. Move right to find the x-coordinate 3. Move up to find the y-coordinate

Review Material: Brain Pop: easurement/coordinateplane/

Guided Practice: White Boards 1.Draw y-axis 2.Draw x-axis 3.Put a star at the origin 4.Number -3 to 3 on the x-axis 5.Number -3 to 3 on the y-axis 6.Graph the ordered pair (3, 2) 7.Graph the ordered pair (-2, 1) 8.Graph the ordered pair (1, -2) 9.Graph the ordered pair (-1, -3)

Independent Practice Pg. 278: 1-11 Computer users: first take the Review Quiz on Brain Pop; after you have completed this, take the Graded Quiz. Review your answers and write down how many you got correct.

Tonight’s Homework: Pg. 279: 12 – 33 (odds only) – for the problems that ask you to graph each ordered pair on a coordinate plane, you will need to draw your own coordinate plane.

Exit Ticket: 1. Draw a coordinate plane. a.Label the x-axis b.Label the y-axis c.Label the origin d.Graph the point (1,3 )