Percents, Decimals, and Fractions
Percents, Decimals, and Fractions
1 ÷ 2
These all mean the same thing.
121
2
To change a fraction into a decimal…Divide the numerator (top number) by the denominator (bottom number)
121
2
To change a fraction into a decimal…
Add a decimal and zero
.0121
2
To change a fraction into a decimal…
Move the decimal straight up .
121
2 .0
To change a fraction into a decimal…
Now just divide
.12
1
2 .0
To change a fraction into a decimal…And the answer is…
=0.51
2
To change a decimal into a fraction…(You have to know place value!)
Read it: 0.8 (eight tenths)Write it:
Reduce it:
Change 0.8 to a fraction in lowest terms
810 4
5
To change a decimal into a fraction…(You have to know place value!)
Read it: 0.09 (nine hundredths)
Write it:
Change 0.09 to a fraction in lowest terms
Reduce it: (already in lowest terms)
9100
9100
To change a decimal into a percent…
Multiply by 100 and add a % sign
Change 0.09 to a percent
9%
To change a decimal into a percent…
0.09Change 0.09 to a percent
HINT! HINT!
Answer: 9%
The easiest way to multiply by 100 is to move the decimal
2 places to the right.
To change a decimal into a percent…
0.45Change 0.45 to a percent
HINT! HINT!
Answer: 45%
0.5 50%= =
Fraction Decimal Percent
1
2
0.25 25%= =
Fraction Decimal Percent1
4
0.75 75%= =
Fraction Decimal Percent3
4
0.3 30%= =
Fraction Decimal Percent
3
10
0.03 3%= =
Fraction Decimal Percent3
100