Hersheys Fraction Introduction

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By: ahmed791978 (101 month(s) ago)

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Fractions!! : 

Fractions!!

What is a fraction? : 

What is a fraction? A way to show the parts of something whole We use fractions a lot in every day life!

These are fractions… : 

These are fractions… Let’s choose one…

These are fractions too… : 

These are fractions too… Usually, we use numbers to represent fractions!

Fractions… : 

Fractions… Have 2 parts: 1 4 Numerator Denominator This is the fraction bar. It means division, or 1 DIVIDED BY 4

Pop Quiz!! : 

Pop Quiz!! 1 4 What is this called? What is this called? If you can remember North Dakota, then you can remember: North-Numerator Dakota-Denominator

Now…what do those words mean?? : 

Now…what do those words mean?? Numerator - The number of parts Denominator - All of the parts of the whole ONE out of FOUR

There HAS to be a better way to learn about fractions!! : 

There HAS to be a better way to learn about fractions!! How about…

Remember the Rules… : 

Remember the Rules… You will get to eat your chocolate bar AFTER we are finished… Please…NO NIBBLING!! Please don’t touch someone else’s bar without permission Please keep your bar on your paper or wrapper

First…before unwrapping… : 

First…before unwrapping… How many bars total do we have in the classroom? How many belong to girls? How many belong to boys? How many belong to someone age 12? How many belong to someone age 11? How many belong to someone over age 12? How many belong to monkeys? How many are made of chocolate? 10 Would this be the numerator or denominator?

Next… : 

Next… You will get a number…1 or 2 Ones…unwrap your bar please!! What fraction would we write to describe how many bars are unwrapped right now? 10 = 1 5 2

On your paper, please make these fractions with your bar: : 

On your paper, please make these fractions with your bar: = = = = = = =

Now try these… : 

Now try these… = = = = = =

Keeping your hands on your own bar… : 

Keeping your hands on your own bar… Create any fraction with your chocolate. Next, combine your fraction with someone else (make sure you keep your chocolate on your paper, separate from your partner’s) How can we combine them without losing track of what we have?

For example… : 

For example… + = = This is the reduced fraction, or LOWEST TERMS

BUT… : 

BUT… + = We need a COMMON DENOMINATOR!!! What if this happens… ??

Rewrite the fraction with the same denominators… : 

Rewrite the fraction with the same denominators… + = Is the same as Is the same as + =

Your Assignment!!! : 

Your Assignment!!! Complete the Hershey’s Math table. Please BE NEAT!!!

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