Fraction, Decimal, Percentage
Scientific Notation
Word Problems
Decimal and Fraction Operations
Random
100

Write 1/5 as a decimal and as a percentage 

0.2 and 20%

100

Write 0.0006 in scientific notation

6x10-4

100

What is the total price of a 10,000 dollar car plus 6.5% sales tax? 

$10,650

100

Solve 1.5m = 2.25

1.5

100

What is the average of the following numbers: 

5 1/2, 3, 4 1/3, 3 1/6

4

200

Write .12 as a fraction and as a percentage 

2/25 and 12%

200

Write 7.5x10-3 in standard form

0.0075

200

Emma worked for 7 hours and earned 38.50. How much did she earn per hour? 

$5.50 per hour

200

Simplify: 

3 3/4+(2 1/6-1 1/3)

4 7/12

200

fill in the blank: 

1.5 kg is ___ than 150 g 

a) Greater than 

b) Less than 

c) equal to 

Answer: a) Greater than

300

Write 4/5 as a decimal and as a percentage. 

0.8 and 80%

300

Write 0.00008 in scientific notation 

8x10-5

300

The ratio of boys to girls in the assembly was 5 to 4. If 180 students were in the assembly, how many girls were there? 

80 girls

300
Simplify: 0.5(0.1)(1.2)

0.06

300

In a parallelogram, the larger angles are 110 degrees each. What is the measure of one of the smaller angles? 

70 degrees 

400
Evaluate ab + a + b if a = 1/4 and b = 1/2

7/8

400

write 2.4x10-4 in standard form 

0.00024

400

Diagram this statement. Then answer the questions that follow. 

"David gave one fifth of his 235 baseball cards to his sister."

a) What percent of his baseball cards did David give to his sister? 

b)How many baseball cards did David have left? 

a) 20%

b) 180 cards

400

Solve: 

w/45 = 0/20

18

400

On a parallelogram, the height is 10 cm, and the base is 14 cm. What is the area?

140 cm2

500

Simplify: 

7 7/8(6div2 1/4)

21

500

Write 8.5x10-5 in standard form 

0.000085

500

The ratio of boys to girls in the assembly was 5 to 3. If 160 students were in the assembly, how many girls were there? 

100 girls

500

Divide 7 by 0.27 and write the answer rounded to the nearest whole number. 

25.9 rounds to 26

500

Find the sum: (+6)+(-11)+(+5)+(-7)

-7