Relating Fractions, Decimals, and Percents
Estimating and Calculating Percents
Multiplying to find percents
Drawing Circle Graphs
Dividing to find percents

### 100

Write these fraction as a percent:

1/4 ; 3/10

25% ; 30%

### 100

Find 10% of each number:

47

298

4.7

29.8

Find:

20% of 90

40% of 90

18

32

### 100

Draw a circle graph to represent favorite ice cream flavor among 20 year 7 students.

Flavor            Students

Chocolate:          10

Vanilla                 5

Strawberry           5

Brown: Chocolate

Blue: Vanilla

Green: Strawberry

### 200

Write these fractions as a percent:

7/5 ; 3/4

140% ; 75%

### 200

Estimate 49% of 350.

Find:

5% of 1.0

30% of 1.0

0.05

0.30

### 200

If 50% of the students in Maple Bear prefer Math than other subjects, which angle the students that prefer Math will make in a circle graph?

180 degrees.

### 300

Write each fraction as a decimal and percent:

8/20

14/5

14/25

0.4 (40%)

2.8 (280%)

0.56 (56%)

### 300

Estimate 149% of 60

90.

### 300

Find 130% of $1.00 Find 150% of$1.50

$1.30$2.25

### 300

If 1000 teenagers answered this survey. How many  prefer Rock and roll (13%) ?

130 people prefer Rock and roll!

### 400

Write each number two other ways:

0.18

0.35

3/8

18% (18/100)

35% (35/100)

0.375 (37.5%)

### 400

A game costs $29.99. The sales tax is 15%. Estimate the cost of game. About$34.50.

### 400

Calculate each percent of 52.3

2%        20%         200%

1.046          10.46           104.6

### 500

Suppose this patter is continued on a hundred chart. The numbers in each pattern are colored red. What percent of the numbers on the chart are red?

1, 3, 5, 7, ...

50% of the chart is colored red.

### 500

Edward estimates he has traveled approximately 80 km. The total length of Edward's trip is 430 km.

About what percent does Edward still have left to go?