Tuesday, September 9, 2008

math is fun ( websites about decimals)


1. [100.00%] Adding Decimals
3.25, 0.075 and 5 Line the decimals up: 3.25 0.075 + 5. "Pad" with zeros: 3.250 0.075 + 5.000 Add: 3.250 0.075 + 5.000 8.325 That's all there is to it - just remember to line up the decimals, then add normally. decimals decimals Index
http://www.mathsisfun.com/adding-decimals.html - 9.2kb
2. [96.88%] Subtracting Decimals
Subtracting Decimals Subtracting Decimals is easy if you keep your work neat To subtract Decimals, follow these steps: Write down the two numbers, one under the other, with the decimal points lined up. Add zeros so the numbers have the same length
http://www.mathsisfun.com/subtracting-decimals.html - 9.0kb
3. [90.63%] Decimals
Decimals A Decimal Number ( based on the number 10 ) contains a Decimal Point: Our Decimal System lets us write numbers as large or as small as we want, using the decimal point. Numbers can be placed to the left or right of a decimal point, to
http://www.mathsisfun.com/decimals.html - 14.4kb
4. [90.63%] Multiplying Decimals
Multiplying Decimals Multiply without the decimal point, then re-insert it in the correct spot! How to Multiply Decimals Just follow these steps: Multiply normally, ignoring the decimal points. Then put the decimal point in the answer - it will
http://www.mathsisfun.com/multiplying-decimals.html - 12.0kb
5. [84.38%] Dividing Decimals
Dividing Decimals Quick method: use Long Division without the decimal point, then re-insert the decimal point in the answer. Dividing a Decimal Number by a Whole Number To divide a decimal number by a whole number: Use Long Division (ignoring the
http://www.mathsisfun.com/dividing-decimals.html - 11.4kb
6. [81.25%] Convert Decimals to Fractions
Convert Decimals to Fractions To convert a Decimal to a Fraction follow these steps: Step 1: Write down the decimal divided by 1. Step 2: Multiply both top and bottom by 10 for every number after the decimal point. (For example, if there are two
http://www.mathsisfun.com/converting-decimals-fractions.html - 16.2kb
7. [81.25%] Ordering Decimals
Ordering Decimals Ordering Decimals can be tricky. This is because often we look at 0.42 and 0.402 and say that 0.402 must be bigger because there are more digits. If you follow the following method you will see which Decimals are bigger. Set up a
http://www.mathsisfun.com/ordering_decimals.html - 13.0kb
8. [78.13%] Converting Fractions to Decimals
Convert Fractions to Decimals The simplest method is to use a calculator. Just divide the top of the fraction by the bottom, and read off the answer ! Example: What is 5 / 8 as a fraction? ... get your calculator and type in "5 / 8 =",
http://www.mathsisfun.com/converting-fractions-decimals.html - 11.9kb
9. [77.81%] Multiplying Decimals Animations
Multiplying Decimals Animations How to Multiply Decimals Multiplying Decimals starts with normal multiplication (ignoring decimal points). Then the trick is to make sure the answer has as many decimal places as the two original numbers combined .
http://www.mathsisfun.com/numbers/decimals-multiplying-animation.html -
10.5kb10. [77.81%] Dividing Decimals Animations
Dividing Decimals Animations How to Divide Decimals Dividing Decimals has two steps: Use Long Division (ignoring the decimal point) Then put the decimal point in the same spot as the dividend (the number being divided) It is easy to show in an
http://www.mathsisfun.com/numbers/decimals-dividing-animation.html - 8.9kb
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8 comments:

Unknown said...

0.11=11/100 3.45=3 45/100

Safwa Salah-el-Dien said...

thanks yousof

so great

youssef said...

5 hundredths=5/100=0.05 50/100=0.50

youssef said...

147 thousandths=147/1000=0.147 124/10=12.4

youssef said...

5/10=0.5 20/100=0.20

youssef said...

5.29=529/100 16.250=16 250/1000=16 5/200=16 1/4

youssef said...

2 4/1000=2.004 nientyseven hundredths=97/100=0.97

Safwa Salah-el-Dien said...

yousof

thanks for your great job
but

16 250/1000 = 16 50/200
= 16 1/4

you may forgot the zero beside 5

thanks yoyo