Slope Is

What slope is this?

• Positive

• Negative

• Undefined

• Zero

Answer explanation

We're walking UPHILL.

Positive slope

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CCSS.8.EE.B.5

What kind of slope is this?

• Positive

• Negative

• Undefined

• Zero

Answer explanation

Up and down, nobody knows!

Undefined!

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What Kind of Slope is This?

• Positive

• Negative

• Undefined

• Zero

Answer explanation

It's going DOWNHILL.

Negative.

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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 skateboard ramp is the steepest? It has the steepest slope.

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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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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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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 line again. What type of slope does the line have?

• undefined

• positive slope

• negative slope

• zero slope

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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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CCSS.8.EE.B.5