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Misc.
Decimal Operations
Operations with Rational Numbers
Integer Operations
Word Problems
100

-18 - (-53)

35

100

-29.52/3.6

-8.2
100

1/2 + (-5/6)

-1/3

100

46 - 17 + 38

67

100

A clock's battery is running low. Every 6 hours, it slows down by 1/2 hour. By how much does it slow down in 1 hour? 

1/12 hour or 5 minutes

200

43 + (-95) - (-16)

-36

200

0.389 + (-1.2)

-0.811

200

- 1/7 + (-5/6) + (-1/3)

-1  13/42

200

-80 + 63 + (-24)

-41

200

David biked 15 7/10 miles on Saturday and 6  9/10 miles on Sunday. How much further did David bike on Saturday than on Sunday?

8  4/5 miles

300

The fraction value equivalent to 3.78 simplified in m/n form

189/50

300

-2.38 + 15.6 - 140.05

-126.83

300

2  1/2 / (-1  2/3)

-1  1/2

300

-14 + 8 - 9 x (-6)

48

300

One day in February the temperature was -6.8 degrees F. On the same day, the temperature was 1.72 degrees F. Find the change in temperature. 

8.52 degrees F

400

Rational or Irrational?

1.23233233323333...

Irrational

400

11.3 - 5.1 + 3.1 x 0.2 - 1.1

5.72

400

-3/10 x 3  1/8

-15/16

400

-14 - (27 - 84) x 2

100

400
Emma bought 2 and 1/2 yards of ribbon to make bows for 4 of her friends. How much yard will she use for each ribbon?
5/8 yards
500

3.25(0.9 - 0.74) + 6.3

6.82

500

(29.3 + 4)/3 + 0.5 x -24

-0.9

500

2/3 x 1/6 + 1 5/9 + 2(-7/18)

8/9

500

-12 + 50 / (-2 - 3) + 72 / (4 + 2)

-10

500

A submarine was cruising at 1328.4 feet below sea level. It then rose at a rate of 14.76 feet per minute for 15 minutes. Find the submarine's depth after it rose for 15 minutes. 

-1107 feet