Chapter 1 Review

Integers and Their Opposites 1-1Understand Rational Numbers 1-2

100

What is the opposite of    -4

4

200

What is the opposite of      -16

16

300

Bryon had $33 and now has no money left.  He had ___ before his purchase.

$33

400

Is this a REPEATING decimal or a TERMINATING decimal?

5.65

Terminating

500

Convert this fraction to a decimal:

52/80

0.65

Add and Subtract INTEGERS1-3, 1-4,

100

What is the sum of these two numbers:
-11+6

-5

200

What is the difference of these two numbers:

-12+12

0

300

What is the difference of the following numbers:

(-3)-(-6)

3

400

What is the difference of the following numbers:

4-3

1

500

At its highest point, the elevation of a county is 5,667 feet above sea level.  At its lowest point, the elevation of a county is 7 feet below sea level.

What is the difference between the highest and lowest points of the county?

5667 - -7     or     5,667+7

=5,674

Multiply and Divide Integers 1-6, 1-8

100

(-5)(-5)

25

200

(-10)(4)

-40

300

72/-9

-8

400

5/0

undefined

500

A company loses $28 as a result of a shipping delay.  The 2 owners of the company must share the loss equally.

How much money does each owner lose?

$14

Add and subtract Rational Numbers 1-5

100

1/3 - (-1/3)

2/3

200

-3 ⅓  - (20/3)

1/3

300

-12.5+15.3

2.8

400

-20.5 - (-20.5)

0

500

A scuba diving instructor takes a group of students to a depth of 54.96 feet.  Then the y ascend 22.38 feet to see some fish.  Where are the fish in relation to the surface?

-32.58 feet

or 

32.58 feet below sea level

Multiply and Divide Rational Numbers1-7, 1-9

100

What is the reciprocal of 5/16

16/5    or    3 1/5

200

What is the reciprocal of 3/8

8/3    or 2 2/3

300

-6/15 ÷  (-1/2)

12/5     or     2 2/5     or     2.4

400

What SIGN will a negative number times two positive numbers have?

negative

500

(-4)(-6)(7)(4)(-5)(10)

-33,600