Adding & Subtracting Rational Numbers

AddingPositives

100

7+12

19

200

4/5+3/5

7/5 or 1 2/5

300

6.04+5.719

11.759

400

3/4+5/6

19/12 or 1 7/12

500

2.81+5 3/5

8.41 or 8 41/100

AddingNegatives

100

12+(-7)

5

200

13/17+(-4/17)

9/17

300

8.2+(-7.37)

0.83

400

2.519+(-6.1)

-3.581

500

-8.32+(-56 1/2)

-64.82 or -64 41/50

SubtractingPositives

100

7-12

-5

200

-6-11

-17

300

-6/11-9/11

-15/11 or -1 4/11

400

3/5-7/8

-11/40

500

8.917-10 7/8

-1.958 or -1 479/500

SubtractingNegatives

100

12-(-7)

19

200

-7-(-3)

-4

300

-13/15-(-11/15)

-2/15

400

-6.391-(-9.41)

3.019

500

-7 5/8-(-4.575)

-3.05 or -3 1/20

Word Problems(x2 Points)

100

Mika gave Max ten dollars and then gave Max fifteen dollars a week later. How much money did Mika give to Max in total?

$25

200

Gavin loaned Victoria $17.62 for lunch. Victoria has since paid Gavin back $10.98. How much more money does Victoria owe Gavin?

$6.64

300

Select one team to give 300 points to.

It may not be your own team.

That will be the only team that receives points for this round.

Now we know who your favorite team is.

400

The hottest recorded temperature on the planet is 134 Degrees Fahrenheit in California. The coldest recorded temperature on the planet is -128.6 Degrees Fahrenheit in Antarctica. What is the range between the hottest and coldest temperatures recorded on Earth?

262.6 Degrees

500

Levi threw a bouncy ball to the ground from 4.3 feet above the ground. The ball flew up to a staggering 13 and a half feet off of the ground. How much higher is the bouncy ball from its original position in Levi's hand?

9.2 feet