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7-3 MATH TALKS

Data Talks (Slides 2-7)

Number Talks (Slides 8-10)

Picture Talks (Slides 11-13)

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DATA TALK A

What’s happening

with this graph?

What are some

quantities that might

have increased like this

from 1960 to 2020?

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DATA TALK A

This food item debuted in 1967 in Pennsylvania.

It’s now available in over 100 countries

One of its original names was the Aristocrat

Here are some clues:

Any ideas?

dollars

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DATA TALK A

dollars

0.45

0.65

1.60

2.45

2.39

4.19

4.95

These are average prices across

the US

It has 3 pieces

of bread

More Clues:

Any more ideas?

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DATA TALK A

dollars

0.45

0.65

1.60

2.45

2.39

4.19

4.95

Big Mac Cost by Decade

(approximate average cost)

Anything

surprise you?

The average price went down.

Can you conjecture why?

Research online to see if you are correct!

*Source: https://www.eatthis.com/big-mac-cost/

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DATA TALK B

TRUE OR FALSE?

Teens sometimes think you are confrontational

when you are not.

*Source: https://knoxvillemoms.com/weird-facts-to-help-us-better-understand-teens/

The rational part of teen brains is not totally developed. This means that teens rely more heavily on the primitive back parts of the brain to evaluate facial expressions.

Because this part of the brain is more sensitive in detecting threats and danger, it is more likely to believe hostility is present even when it isn’t.

Nagging and criticism can make a teen’s brain shut down.

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DATA TALK B

Teens sometimes think you are confrontational

when you are not.

*Source: https://knoxvillemoms.com/weird-facts-to-help-us-better-understand-teens/

How can you avoid misreading

communication signals?

Be aware of this and try to be positive.

Recognize the behavior, and try to be reasonable.

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NUMBER TALK A

Is the statement true or false?