cool decimals

awesome decimals

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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


adding decimals:


4. 8.874 + 3.700= 12.574



comparing decimal:


5. 3.5< 3.412


rounding decimals:



6. 3.8657=3.9

decimal word problems

adding

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

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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.

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decimals

by: Janiyah ,Cameron, Anthony W,Michael C
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Multiplying and subtracting decimals

subtracting decimals

36.98-10.34=?


multiplying decimals

78.36x457.8=?