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Slide 1

Note to browser’s

This slope lesson is interactive and I have students use graph paper as they follow along

This is formulated for the California High School Exit Exam math standards

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Slide 3

How do engineers build bridges?

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Slide 5

How do engineers build roads?

Slide 6

How can we write 7% as a fraction?

Slide 7

7% as a fraction??

Remember than any percent is a part of 100.

Slide 8

The grade of a road is the same as slope

Here is the picture:

7 feet

100 feet

Slide 9

The slope measures the “rise” and “run” of the stairs beneath or above the line.

4

4

Slide 10

Slope of a line

The “stairs” are all through the line and the same size.

Slide 11

Slope of a line

Can I make a line if the stairs aren’t the same size?

Slide 12

Slope of a line (m)

To find the slope, use the formula

4

4

Slide 13

Slope of a line (m)

To find the slope, use the formula

4

4

Slide 14

Slope of a line (m)

Find the slope of the following lines:

1

2

A)

B)

2

3

Slide 15

Slope of a line (m)

Is the slope positive or negative?

Answer:

Positive, Read from left to right

Slide 16

Try for yourself

Draw 2 lines with the following slopes on your graph paper.

A) B)

Start anywhere on your coordinate plane.

Slide 17

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