# Math 5 Coordinate Grids - PowerPoint PPT Presentation

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Math 5 Coordinate 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.

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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

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.

The numbers are all positive.

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

### Document Camera

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

Use Coordinates handout

Guided Practice

Locate the ordered pairs:

(2, 7)

(6, 9)

(4, 6)

Guided Practice

Write the ordered pairs for each letter:

(R)

(S)

(T)

S

R

T

Independent Practice

Locate the ordered pairs:

(3, 7)

(9, 2)

(8, 6)

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)

• The second number, the y-coordinate names the distance UP from the x-coordinate.

• (3, 6)

Quick Check

Quick Check