The elevation of a location describes its height above or below sea level, which has elevation 0. Elevations below sea level are represented by negative numbers, and elevations above sea level are represented by positive numbers.
The table shows the elevations of several locations in a state park. Graph the locations on the number line according to their elevations.
2
Question 1
1.
What point on the number line represents sea level? __________
Which location is closest to sea level? __________
1
1
Question 4
4.
Morning Glory Stream is 7 feet below sea level. What number represents the elevation of Morning Glory Stream?
4
Question 5
5.
Use the number line to find the opposite of 7: _______
Use the number line to find the opposite of -6: _______
Use the number line to find the opposite of 1: _______
Use the number line to find the opposite of 9: _______
1
1
1
Question 9
9.
What is the opposite of -3? _______
What is the opposite of 7? _______
What is the opposite of -9? _______
Question 10
10.
What is the opposite of 4? _______
What is the opposite of -11? _______
What is the opposite of 22? _______
Question 11
11.
Select all 6 points below on the number line.
-2 9 -8 -9 5 8
Question 12
12.
What is the opposite of the number shown on each number line?
Question 13
13.
What is the opposite of the number shown on each number line?
Question 14
14.
What is the opposite of the number shown on each number line?
Question 15
15.
What is the opposite of the opposite of 7? _______
What is the opposite of the opposite of -13? _______
What is the opposite of the opposite of -19? _______
1
Question 16
16.
What is the absolute value of -3?
3
Question 17
17.
Find the absolute value of each integer below.
|-7| = __________
|18| = __________
|-12| = __________
3
Question 19
19.
Select all 5 points below on the number line.
|-2| |9| |-8| |5| |-4|
Question 20
20.
All absolute numbers are positive.
Question 2
2.
Which two locations are the same distance from sea level?
Question 3
3.
Which location has the least elevation?
Question 6
6.
What is the opposite of 0?
Question 7
7.
What is the opposite of the opposite of 3?
Question 8
8.
How does a number line show that 8 and -8 are opposites?