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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? 5m 25 + 5m 25m + 5 25m + 5m

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Do now you have 5 minutes
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?

  • 5m

  • 25 + 5m

  • 25m + 5

  • 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
Today’s Objective

SWBAT graph ordered pairs on the coordinate plane.


Introduction to graphing terms for those in the know
Introduction to Graphing: terms for those in the know

  • 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.

  • The grid is called: Coordinate plane

  • Y-axis: the y-axis the vertical number line

  • X-axis: the horizontal number line

  • Quadrants: four sections of the coordinate plane

  • Origin: the point of intersection of the two number lines


Intro to graphing ordered pairs
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
Review Material:

  • Brain Pop: http://www.brainpop.com/math/geometryandmeasurement/coordinateplane/


Guided practice white boards
Guided Practice: White Boards

  • Draw y-axis

  • Draw x-axis

  • Put a star at the origin

  • Number -3 to 3 on the x-axis

  • Number -3 to 3 on the y-axis

  • Graph the ordered pair (3, 2)

  • Graph the ordered pair (-2, 1)

  • Graph the ordered pair (1, -2)

  • Graph the ordered pair (-1, -3)


Independent practice
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
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
Exit Ticket:

1. Draw a coordinate plane.

  • Label the x-axis

  • Label the y-axis

  • Label the origin

  • Graph the point (1,3)