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Math 5 Coordinate GridsPowerPoint Presentation

Math 5 Coordinate Grids

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Math 5 Coordinate Grids

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Math 5Coordinate Grids

Instructor: Mrs. Tew Turner

In this lesson we will how you can locate points on a coordinate grid.

Divide each number by 10.

100

1000

230

1200

Math Warm-up

Divide each number by 10.

100

1000

230

1200

Math Warm-up - ANSWERS

10

100

23

120

In this lesson we will answer the question:

How are ordered pairs of numbers represented on a coordinate grid?

You will need a copy of the print out called M5L#43 coordinates-1 to use for this lesson.

So pause the tape, print the handout, and then restart the tape.

Vocabulary

coordinate plane- is a flat surface formed by two intersecting, perpendicular lines. Each of these lines is called an axis.

x-axis- The horizontal line.

y-axis- The vertical line.

Vocabulary

Quadrants-The x-axis and the y-axis divide the coordinate plane into four areas. These areas are calledquadrants.

Ordered Pairs- Digits that indicate where a point is located on a coordinate grid. Ex: (3,2)

Connecting to Previous Learning

A coordinate grid makes it easy to locate a point on a map. Start at 0.

The ORDERED PAIR names a point on a coordinate grid. You may have used this skill while trying to locate a place on a map.

Coordinate Grid: 1st Quadrant

The numbers are all positive.

How would we locate the ordered pair, (3,2)

Get your notebook

and pencil ready.

Make sure you have the Lesson # and date on your page.

Use Coordinates handout

In your Math Notebook

Guided Practice

Locate the ordered pairs:

(2, 7)

(6, 9)

(4, 6)

In your Math Notebook

Guided Practice

Write the ordered pairs for each letter:

(R)

(S)

(T)

S

R

T

In your Math Notebook

Independent Practice

Locate the ordered pairs:

(3, 7)

(9, 2)

(8, 6)

In your Math Notebook

Independent Practice

Write the ordered pairs for each letter:

(W)

(X)

(Y)

Y

W

X

Lesson Review

- A coordinate grid makes it easy to locate a point on a map.
- Start at 0. You follow the 0 line to locate the 1st number, the x-coordinate in the ordered pair.
- (3, 6)

- (3, 6)

In your Math Notebook

Quick Check

In your Math Notebook

Quick Check

In your Math Notebook

Quick Check - ANSWER

In your Math Notebook

(4,3)

Quick Check

Good Work with this lesson.

Today you learned how to locate points on a coordinate plane.