1.1-1.3 Quiz Review

Absolute Value

100

Find the absolute value of -10.

10

200

Find the absolute value of -5.3.

5.3

300

|2.63|

2.63

400

|-1/4|

1/4

500

|1.42| + |-1|

2.42

Comparing Absolute Value Using <, >, or =

100

2        |-5|

<

200

|-2.5|      |-2.05|

|-2.5|   >   |-2.05|

300

-|3/4|        |-3/4|

-|3/4|   <    |-3/4|

400

-|5/4|      -|11/8|

-|5/4|   >    -|11/8|

500

Order the values from least to greatest: |-3/4|, 5/8, |1/4|, -1/2, |-7/8|

-1/2, |1/4|, 5/8, |-3/4|, |-7/8|

Adding Integers

100

-5 + 8

3

200

-3 + (-7)

-10

300

-81 + 81

0

400

10 + (-13) + (-10)

-13

500

-41 + (-15) + (-30)

-86

Adding Rational Numbers

100

12.48 + (−10.636)

1.844

200

11/12 + (-7/12)

1/3

300

-7/4 + 5/8

-9/8

400

4.5 + (−6.21) + (−4.5)

-6.21

500

Your bank account balance is −$15.50. You deposit $75. What is your new balance?

$59.50

Mystery

100

Find the GCF of 8 and 20.

4

200

Add 2.2599 + 4.09

6.3499

300

Is the sum correct? If not, correct the error.

− 3.7 + (−0.25) 

= |− 3.7|  + ∣−0.25∣ 

= 3.7 + 0.25 

= 3.95

No. The sum should be -3.95.

400

Evaluate the expression when a=3, b=−1, and c=−2. |a−b−c|=

6

500

At midnight, the temperature is 34 degrees Fahrenheit. The temperature decreases 3 degrees each hour until 2:00 A.M. The temperature then increases 2 degrees each hour until 7:00 A.M. What is the temperature at 7:00 A.M.?

38 degrees Fahrenheit