2.1 Understanding
Integer
Integer
Write integers from smallest to biggest: 2,-3,0,-4
-4,-3,0,2
Use <,>, or =: -25 ____ -24
<
What is the absolute value of -2.3?
2.3
4 1/2 x 5 1/4
23 5/8
4.34 + 5.1
9.44
Write the integers from biggest to smallest: 4,12,-12,-11
12,4,-11,-12
Use <,>, or =: -3/5 ___ -0.35
<
l -2.5 l
2.5
1 1/3 x 2 4/8
3 1/3
12 - 11.99
0.01
What integer represents sea level?
0
Use <,>, or =: 1/10___0.09
>
- l -3 l
-3
1/8 ÷ 5/8
1/5
2.4 x 11
26.4
Two people are scuba diving. One diver is at 36 feet below sea level. The other diver is at 44 feet below sea level. What integers represent where the divers are? Which diver is deeper from the surface?
-36 and -44 feet
the second diver (44 feet)
What is a rational number (give an example)?
Answers may vary.
least to greatest:
l -2 l, l 0 l , l -1 l, l 5 l
l 0 l, l -1 l, l -2 l, l 5 l
2 1/2 ÷ 4 3/4
10/19
12.5 ÷ 5
2.5
A contestant in a game show has 9,000 points. The contestant answers the question incorrectly and loses 750 points. What integer represents a loss of 750 points?
-750
Order from least to greates: -1/4,0.5,3/4,-1/2
-1/2,-1/4,0.5,3/4
Absolute value of 0? positive or negative
0; neither
20 1/2 ÷ 1 1/2
13 2/3
18.9 ÷ 6.3
3