Adding and Subtracting Integers

Simplify the expression:

9 - ( - 3 ) =

• 12

• 6

• 93

• - 6

Simplify the expression:

- 10 + ( - 6 ) =

• - 4

• - 16

• 106

• 4

Simplify the expression:

5 - 9 =

• - 4

• - 14

• 14

• 4

Simplify the expression:

- 17 + 20 =

• 6

• - 3

• 37

• 3

Simplify the ABSOLUTE VALUE expression:

| 5 - 4 - 3 | =

• 2

• 12

• - 2

• 4

Simplify the ABSOLUTE VALUE expression:

If a = 6 and b = - 9

| b - a| = ?

• 3

• 15

• - 3

• - 12

Simplify the expression:

20 - ( - 9 ) =

• 29

• 11

• 12

• - 29

Which of the following symbols makes the mathematical statement true?

- 11 _____?____ - 7

• <

• >

• =

• #

Which of the following symbols makes the mathematical statement true?

|7 - 10 | _____?____ |8 - 12 |

• <

• >

• =

• #

Stacy is a scientist and works in a lab. She takes a sample of a bacteria from room temperature at 72º F to a freezer set at - 13º F. What is the difference in temperature for this lab specimen when it is placed in the freezer?

• 85º

• 20º

• 75º

• 59º