C1 4.1-4.3 Review

Definitions

100

All the positive and negative whole numbers including the number 0

Integer

200

The name of these brackets | |

Absolute Value

300

What is the opposite of a positive number?

A negative number

400

the direction on a number line in which numbers get larger

What is to the right?

500

Why is absolute value always positive?

B/c it's only telling the DISTANCE away from zero on the number line and distance is always positive!

Integers

100

Which is greater 22 _____ -33

22

200

Which is greater -5_____-17

-5

300

Put these integers in order from least to greatest. -6, 0, -1, 3, -17

What is -17, -6, -1, 0, 3

400

What integer describes each situation? A loss of 6 yards? A weight gain of 12 pounds, 15 feet below sea level, Neither positive or negative

What is -6, +12, -15, 0

500

A football team gains the following yards. Gain 3, lose 7, lose 3. How many total yards did they gain or lose?

7 yards lost (-7 yards)

Opposites

100

What is the opposite of -3?

+3

200

Additive inverse of 23

What is -23

300

-5 + ________ = 0

What is +5

400

What is the opposite of 9?

-9

500

What is the opposite of -7? What is the opposite of 90? 

7 & -90

Absolute Value

100

|-6| =

6

200

|-3| =

3

300

|2| + |-2| =

4

400

Why is absolute value always positive?

What is because it's only telling how far the number is away from the zero on the number line. Distance is always positive

500

-|7|

-7

Representing Integers

100

Up 8 flights of stairs

8 flights of stairs

200

the plane descended 20,000 feet

-20,000 feet

300

Jill deposited $500 into her savings account

$500

400

An increase of 33 feet

33 feet

500

A withdrawal of $75

$-75