# cool decimals

## Decimal project

Multiplying decimals :

1. 7.56 x 98.0=74.088

Dividing decimals:

2. 45.60 divided by 10 =4.56

Subtracting :

3. 17.12 - 00.10 = 17.02

4. 8.874 + 3.700= 12.574

comparing decimal:

5. 3.5< 3.412

rounding decimals:

6. 3.8657=3.9

## decimal word problems

John has 50.27 . His friends gave him 20.01. How much does he have now?

50.27+20.01=70.28

subtracting :

Bob has 50.47. He gives 10.00 to Zia. How much money does he have left ?

50.47-10.00=40.47

dividing:

Helen has a jar full of dimes. The total amount of money in her jar is 45.60. How many dimes does she have?

45.60 divided by 10=456 dimes

multiplying:

Mary ann ordered 3 pens and a box of paper on the internet. Each box of paper cost 3.95 per box and each pen cost 1.65. How much money did she spend?

3 x 1.65=4.95+3.95=8.90

## Decimal notes

- line up decimals when you add or subtract add zeros if needed.

- move the decimal place to the right when you divide

- move to the left when you multiply

- to order & compare decimals they must have the same number of digits behind the decimal point. Add zeroes if needed.

## decimals

by: Janiyah ,Cameron, Anthony W,Michael C

## Multiplying and subtracting decimals

subtracting decimals

36.98-10.34=?

multiplying decimals

78.36x457.8=?