1. What is Slope?

What does the word "slope" mean? The slope of a line or a hill is how steep it is.

Look at the pictures and choose which skateboard ramp is the steepest? It has the steepest slope.

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CCSS.8.EE.B.5

What does the word "slope" mean? The slope of a line or a hill is how steep it is.

Look at the pictures and choose which ski jump is the steepest.

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CCSS.8.EE.B.5

What does the word "slope" mean? The slope of a line or a hill is how steep it is.

Look at the pictures and choose which motorcycle track is the steepest.

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CCSS.8.EE.B.5

Now let's use a graph. Which line has the steepest slope?

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CCSS.8.EE.B.5

Now let's use a graph. Which line has the steepest slope?

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CCSS.8.EE.B.5

A flat road has no slope at all. It is not steep at all. It is flat. We say it has zero slope. Choose the lines below that have zero slope.

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CCSS.8.EE.B.5

A cliff jumper is someone who jumps off of a cliff into the water. The cliff is straight up and down. It is not steep or flat. We say the slope of a cliff is undefined. Lines that are straight up and down have an undefined slope. Find the lines with undefined slope.

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CCSS.8.EE.B.5

Now look at the lines without a graph. Which line has the steepest (highest) slope?

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CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Now look at the line again. What type of slope does the line have?

• undefined
• positive slope
• negative slope
• zero slope

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CCSS.8.EE.B.5

Look at the bird. It is skiing "downhill."

When the line is higher at the left and lower at the right, we say it is a negative slope. Find the other line with negative slope.

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Tags

CCSS.8.EE.B.5