Addition
Subtraction
Multiplication
Division
Unit Conversion
100

1/2 + 1/4

3/4

100

1/2 - 1/4

1/4

100

100/3 * 0

0

100

1/3 divided by 1/2

2/3
100

1 foot = 12 inches

How many inches is 2 ft?

24 inches

200

1/3 + 1/5

8/15

200

5/2 - 3/4

7/4

200

5/2 * 1/2

5/4

200

6/5 divided by 2/3

9/5

200

1 hour = 60 minutes

How many hours is 240 minutes?

4 hours

300

2 + 3/21

45/21

300

2 - 7/6

5/6

300

8/9 * 9

8

300

3 divided by 1/4

12

300

1 yard = 3 feet

How many yards is 18 feet?

6 yards

400

5/2 + 1/13

67/26

400

10 1/10 - 1/2

9 6/10

400

12/5 * 8/3

32/5

400

1 1/3 divided by 1/2

8/3

400

1 mile = 1760 yards

How many miles is 8800 yards?

5 miles

500

5/8 of the staff are male. 5/12 of the staff works part time at the aquarium. What fraction of the staff is female?

3/8

500

Rita bought 8/9 of a pound of chocolates and ate 1/3 of a pound. How much was left?

5/9

500

Olivia took out 8 glasses and poured juice from the pitcher. The capacity of each glass is 3/10 liter. How much juice did she pour?

24/10 Liters

500

Dylan uses 4/9 of a tub of ice cream to make size ice cream sundaes. What fraction of the tub of ice cream does each sundae contain?

2/27

500

1 min = 60 seconds

1 hour = 60 minutes

1 day = 24 hours

1 month = 30 days

How many seconds are in 2 months?

5,183,000 seconds