Unit 2-Integers Review

Adding Rational Integers

100

-10 + 6=

-4

200

-7 + -12 =

-19

300

-1/9 + 8/9 =

7/9

400

-9 + 15 =

7

500

3 + (-5) + 3 =

1

Double Negatives

100

What is the value of -8 + (-9)?

 -17

200

What is the value of -5 - 5 =

-10

300

What is the value of -10 - (-2) =

-8

400

What is the value 7 - (-9)=

16

500

What is the value -4 -4 - (-8) =

0

Rewriting to Addition & Solve

100

Rewriting to Addition & Solve

-8 - 7 =

-8 + (-7) = -15

200

Rewriting to Addition & Solve

-7 - (-6) =

-7 + 6 = -1

300

Rewriting to Addition & Solve

7/8 - 6/8 =

7/8 +(- 6/8) = 1/8

400

Rewriting to Addition & Solve

-18.752 - 4.1 =

-18.752 + (-4.1)= -22.852?

500

Rewriting to Addition & Solve

-4 - (-6 )-2 =

-4 +6 +(-2) =0

Multiplying / Dividing Integers

100

-5 x 20

-100

200

-6 x -10

60

300

3 x -10

-30

400

30 div -3

-10

500

-100 div -10

10

Word Problems

100

In Buffalo, New York, the temperature was -14°F in the morning. If the temperature dropped 7°F, what is the temperature now?

What is -21°F?

200

A submarine was situated 800 feet below sea level. what is its value?

-800 ft

300

Mt. Everest, the highest elevation in Asia, is 29,028 feet above sea level. What is the value of Mt. Everest

+29,028 ft

400

A submarine was situated 450 feet below sea level. If it descends 300 feet, what is its new position?

What is -750ft or 750 feet below sea level?

500

Aaron withdrawals $332 from his account.  What is the value?

-332$