Fractions, Decimals, Percents

Vocabulary

100

What is this symbol called?

%

Percent

200

What is this symbol called? 

.

Decimal

300

What is this called?

1/2 

A Fraction

400

Percents are out of ____?

100

500

What are the three place values behind a decimal?

Tenths, Hundredths, Thousandths

Fraction and Decimals

100

How can I turn a fraction into a decimal?

By Dividing

200

Turn this fraction into a Decimal 

2/5

0.4 or 0.40

300

Turn this Fraction into Decimal

1/4

0.25

400

Turn this Fraction into a Decimal 

2/20

0.1 or 0.10

500

Turn this Decimal into a Fraction

5.25

5 1/4  or 5 25/100

Decimals and Percents

100

How can I turn a Decimal into a Fraction?

Move the Decimal to the Right 2 times and change the decimal to a percent

200

How can I turn a percent into a decimal?

Change the percent into a decimal. Move the Decimal to the left two ties and add a zero if it's needed. 

300

Turn this Decimal into a Percent

0.32

32%

400

Turn this Decimal to a percent?

1.45

145%

500

Turn the Percent into a Decimal 

5%

0.05

Fractions and Precents

100

How can I turn a Fraction into a percent?

Make the fraction out of 100 and then write the numerator as a percent by taking the number and putting a percent sign behind it. 

Ex: 4/25 -> 16/100-> 16%

200

How can I turn a percent into a fraction?

Drop the percent sign, put the number over 100

25% = 25/100

300

Turn this percent into a fraction

7%

7/100

400

Turn this fraction into a percent

1/4

25%

500

Turn this percent into a fraction

125%

1 25/100  or  1 1/4

Simplifying

100

Simplify this Fraction 

2/8

1/4

200

Simplify this fraction

5/35

1/7

300

Simplify this Fraction

15/60

3/12

400

Simplify this Fraction

20/120

1/6

500

How can you simplify a fraction?

Make two T-charts and write the factors of each number. Find out what the biggest number they have in common is and divide the numerator and denominator by that number.