# Multiplying and dividing decimals

### By David Busch

## Where we multiply and divide decimals in the real world

We multiply decimals in money, in papers, and in numbers. We divide decimals also in money, also in papers and also in numbers.

## Multiplying decimals 1 So say you need to multiply the price of candy bars for your sons B-day.One candy bar is worth $2.37 and you need twenty of them.What is the top number and what is the bottom number? | ## Multiplying decimals 2 So say you're going on a road trip and it takes three days to get there and you drove 157 miles a day.Gas cost $2.98 per gallon and one gallon takes 3 miles. How much did you spend? | ## Multiplying decimals 3 Your driving to work and work is 75 miles away.Gas cost $3.67 per gallon and one gallon is equivalent to 3 miles. How much did you spend for gas? |

## Multiplying decimals 1

So say you need to multiply the price of candy bars for your sons B-day.One candy bar is worth $2.37 and you need twenty of them.What is the top number and what is the bottom number?

## Multiplying decimals 2

So say you're going on a road trip and it takes three days to get there and you drove 157 miles a day.Gas cost $2.98 per gallon and one gallon takes 3 miles. How much did you spend?

## Dividing decimals

You and your two friends are splitting a cookie and you want to plit it evenly. What decimal of the cookie do you have?Hint: there will be one part of the cookie left.

You and your four brothers and sisters are splitting your Birthday cake.Then you say you don't want a piece.How much of the cake do your brothers and sisters get?

You and your mom are splitting a small cookie cake and you want to plit it evenly.How much of the cake do you get?