Number lines
How many units away from zero is -5?
5 units
What is the opposite of -25?
25
Jill lost five dollars from her wallet. Then she got paid 25 dollars on Friday. Compare these two numbers with an inequality symbol between them
-5 < 25
or
25 > -5
Becky's weight did not change this week. What integer represents this situation?
0
The opposite of a temperature drop of 15 degrees.
15
Point A is at -20. Point B is 5 units to the left of that. What number is point B
-25
What is |-16|?
16
Which number is the least:
-.8, -1.2, .01, or -.05
-1.2
What does absolute value measure?
Distance from zero or the magnitude of a number.
The opposite of the opposite of a gain of 12 pounds
12
Point A is at -34 and point B is 13 units less than that. Is point B to the left or the right of point A?
left - less means smaller
What is -|-32|
-32
This these numbers absolute value from least to greatest using inequality symbols:
-1/4
1/2
-4.1
-4
1/4 < 1/2 < 4 < 4.1
What is an integer?
What is a rational number?
Whole numbers negative and positive
Numbers that can be written as a fraction or decimal.
The temperature has remained the same all morning
0
What number is 8 and 3/4 units to the right of -5?
3 3/4
Which expression has the greatest value:
-21, |-25|, |-21|, -|-30|
|-25| = 25
This these numbers opposites from greatest to least using inequality symbols:
5.5
-3
-1.1
8
3 > 1.1 > -5.5 > -8
1/2 divided by 3/7
3/14
At 6am the temperature at Timberline Lodge was -3 degrees Fahrenheit. By 10am the temperature had warmed to 6 degrees Fahrenheit. How many degrees did the temperature increase? Use a number line to help you.
The temperature increased 9 degrees.
What number is 2.25 units to the left of 1.25?
-1
Describe the relationship between the absolute values of a number and its opposite.
Opposite numbers have the same absolute value, because they are the same distance from zero on opposite sides of the number line.
list these from least to greatest using inequality symbols:
8
-6
-4.5
15/4
-5
3
-6 < -5 < -4.5 < 3 < 15/4 < 8
What are four non-integers that their absolute value does not change their order?
ex) 1.1, 2.1, 3.1, 4.1
Write an integer value for each transaction and place them in order from greatest to least.
Withdrawal of $71
Withdrawal of $104
Deposit of $407
Deposit of $803
Withdrawal of $109
Deposit of $75
$803
$407
$75
-$71
-$104
-$109