decimal,fraction conversion and integers

Decimal operation

100

231.28 + 9.2

240.48

200

Subtract 78.9 – 37.43

41.47

300

39.2 x0.001

0.0392

400

5/1.25

4

500

A car travels 367.80 km in 6 hours. How much distance will it travel in 1 hour?

61.3 Km

fraction

100

Turn this mixed number into an improper fraction. 12 2/3

38/3

200

Reciprocal 

8 2/3

3/26

300

Multiply the fractions. 3/5 x 10

6

400

Divide the fractions. 1/3 / 2/5

5/6

500

Divide 

2 1/2 / 4/5

3 1/8

conversions

100

3 tons =  ___ pounds

6000

200

6 in = ____foot

1/2 or 0.5

300

8 cups = _____pints

4

400

Convert 15 quarts to gallons

3.75

500

Dina needs 4.5 feet of fabric to make a costume , how many yards of fabric does she need 

1.5 yards

integers

100

opposite of -5

5

200

opposite of opposite of -2

-2

300

Abs(5+9)

14

400

least to greatest -4,3,11,-25

-25,-4,3,11

500

Abs(-31) - Abs(-7

24

convert F-D and D-F

100

1/5 = 

is it rational

0.2, yes

200

-2/9

is it rational

0.222..  yes

300

-0.86

-86/100

400

3.8

38/10 or 

3 8/10

500

order 2,-2.1,-2.08,    2 9/10 

from greatest to least

2 9/10,2,-2.08,-2.1