Download 35 Number Line

Pre-Algebra
Number Line Activity
Name __________________________________ Period ______
Standard: 26 out of 30
1.
What are integers? List them. ______________________________________________________
_______________________________________________________________________________
2.
On a number line, which direction is the positive direction? _______________________________
3.
On a number line, which direction is the negative direction? _______________________________
4.
What is the origin? ____________________________________
5.
When a number has no sign, do we assume it to be positive or negative? _____________________
6.
What is the meaning of each symbol?
< _________________________________
> _________________________________
≤ _________________________________
≥ _________________________________
Materials:
Ruler, pencil.
Procedure:
1.
On the line below, make a tick mark at the left end of the line. Use your ruler to make a tick mark
every ¼ inch along the entire length of the line.
2.
Find the mark which is in the middle of the line. Mark below this tick mark with the number zero.
3.
Below each of the other tick marks, label the other integers along both sides of zero.
4.
Label the following points on the number line by putting a big dot on the appropriate number and
by putting the labels above the tick mark.
+6 A,
Number Line: 6-1.3.3
-5 B,
-1 C,
+2 D
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5.
Using the number line below, label the following points on the number line by putting a big dot on
the line and the label of the point above the line.
1 ½ A,
-4
-3
-2.2 B,
-2
-1
-.8 C,
0
-1 2/3 D,
1
1
/3 E
2
3
4
6.
Any number which is less than 2, will be to the _____________________ of 2 on the number line.
7.
Any number which is greater than -1, will be to the __________________ of -1 on the number line.
8.
Use the number line to help you put in the correct symbol below. (Either < or >.)
a) 1 ½ ____ -.8
e)
9.
1
/3 ____ 0
b) -1 2/3 ____ -2.2
c) -2.2 ____ -2
d) -1 2/3 ____ 0
f) -4 ____ -2
g) 0 ____ 3
h) 1 ____ -1
Write these statements out in words. Spell out the numbers.
A ≥ 64 ___________________________________________________________________________
C ≤ -5 ___________________________________________________________________________
13 < 17 ___________________________________________________________________________
-5 > -7 ___________________________________________________________________________
Y < 2 ___________________________________________________________________________
Number Line: 6-1.3.3
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