Ch 1 -Adding/Subtracting Rational Numbers

Adding Integers

100

-4 + (-9) 

-13

200

-11 + 7

-4

300

-8 + 23

15

400

-10 + 10 + 13

13

500

-7 + -6 + 3

-10

Subtracting Integers

100

6 - (-12)

18

200

8 - (-5)

13

300

-14 - (-7)

-7

400

7 - (-4) - 3

8

500

-10 - (-2) - (-10)

2

Adding Rational Numbers

100

-8.18 + 10.24

2.06

200

1/5 + -3/5

-2/5

300

-1/2 + -1/3

-5/6

400

-5.4 + -9.5

-14.9

500

-4 5/6 + 1/3

-4 3/6

Subtracting Rational Numbers

100

6.5 - (-3.9)

10.4

200

-1/3 - (-5/3) 

4/3

300

-1.84 - (-6.3)

4.46 

400

-3.77 - (-1.44)

-2.33

500

-7/4 - (-5/2) 

3/4

RANDOM

100

What is the absolute value of |-15|

15

200

What is Mrs. Reigler's dogs name?

Obi

300

What does KCC mean in terms of subtracting integers/rational numbers?

Keep, Change, Change

400

What is the rule for adding integers with DIFFERENT signs?

1) Subtract the numbers

2) Keep the sign of the number that is farther from zero

500

What is Mrs. Reigler's favorite pizza topping(s)?

Veggie