Copyright © 2000 by Monica Yuskaitis Revised by Frankie Welch 2012.
Percent III by Monica Yuskaitis. Copyright © 2000 by Monica Yuskaitis How to Change Fractions to...
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Transcript of Percent III by Monica Yuskaitis. Copyright © 2000 by Monica Yuskaitis How to Change Fractions to...
Percent IIIPercent III
by Monica Yuskaitis
Copyright © 2000 by Monica Yuskaitis
How to Change Fractions to How to Change Fractions to PercentsPercents
Step 1 - Divide the denominator into the numerator.
34
Stop! You can’tdivide a largernumber into a
smaller number!
Copyright © 2000 by Monica Yuskaitis
How to Change Fractions to How to Change Fractions to PercentsPercents
Step 1 - Divide the denominator into the numerator.
34
Sure you can if you use decimals.
Just watch!
Copyright © 2000 by Monica Yuskaitis
How to Change Fractions to How to Change Fractions to PercentsPercents
Step 2 – Add a decimal behind your dividend and two zeros.
34
Now does it look like you can divide?
4) 3.00
Copyright © 2000 by Monica Yuskaitis
How to Change Fractions to How to Change Fractions to PercentsPercents
Step 3 – Place a decimal in your quotient exactly above the decimal.
34
Putting the decimal in the right spot is important.
4) 3.00.
Copyright © 2000 by Monica Yuskaitis
How to Change Fractions to How to Change Fractions to PercentsPercents
Step 4 – Divide exactly like you would with long division.
34
Greatjob!
4) 3.00.7
2 820
5
20
Copyright © 2000 by Monica Yuskaitis
How to Change Fractions to How to Change Fractions to PercentsPercents
Step 5 – Move the decimal 2 places to the right and change the decimal to a percent sign.
34
Now wasn’t that easy!
.75 %=
Copyright © 2000 by Monica Yuskaitis
Change this fraction to a percentChange this fraction to a percent
15
The first step is to divide thedenominator
into the numerator.
5)1
Copyright © 2000 by Monica Yuskaitis
Change this fraction to a percentChange this fraction to a percent
15
The secondstep is to adda decimal &2 zeros after the dividend.
5)1.00
Copyright © 2000 by Monica Yuskaitis
Change this fraction to a percentChange this fraction to a percent
15
The third step is to place the decimal in the
quotient directly above the decimal.
5)1.00.
Copyright © 2000 by Monica Yuskaitis
Change this fraction to a percentChange this fraction to a percent
15
The fourth step is to
divide using long division.
5)1.00.2
1 000
0
000
Copyright © 2000 by Monica Yuskaitis
Change this fraction to a percentChange this fraction to a percent
15
The fifth step is to move the decimal point 2 places to the
right and change it to a percent sign.
5)1.00.2
1 000
0
000
%
Copyright © 2000 by Monica Yuskaitis
Memorize These EquivalentsMemorize These Equivalents
12143413
=
=
=
=
50%
25%
75%
33.3%
=
=
=
=
66.6%
20%
40%
60%
23152535
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?What is the equivalent percent?
2 = 50%1
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?What is the equivalent percent?
4 = 25%1
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?What is the equivalent percent?
4 = 75%3
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?What is the equivalent percent?
3 = 33.3%1
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?What is the equivalent percent?
3 = 66.6%2
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?What is the equivalent percent?
5 = 20%1
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?What is the equivalent percent?
5 = 40%2
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?What is the equivalent percent?
5 = 60%3
Copyright © 2000 by Monica Yuskaitis
What is the equivalent percent?What is the equivalent percent?
5 = 80%4