Using Positive or Negative Numbers to Represent Situations
Opposites
Comparing and Ordering Positive and Negative Numbers
Absolute Value
Representing Numbers on a Number Line
100
An increase in temperature of 4 degrees Fahrenheit
+4 degrees Fahrenheit
100
Give the opposite of 4.
-4
100
Which is warmer: -2 degrees Fahrenheit OR -25 degrees Fahrenheit?
-2 degrees Fahrenheit
100
/126/ = ?
126
100
Draw a horizontal number to represent the numbers from -2 to 3.
<--*----*---*----*---*----*--> -2 -1 0 1 2 3
200
I made a withdrawal of $180 from my bank account
-$180
200
Give the opposite of -27.
27
200
Compare using < or >: -75 ___ 46
-75 < 46 Negative numbers are always smaller than positive numbers.
200
Find the absolute value of -81.
81
200
Draw a horizontal number line to represent the EVEN numbers between -6 and 4.
<-------------*--------*--------*--------*------------> -6 -5 -4 -3 -2 -1 0 1 2 3 4
300
25 feet above sea level
+25 feet
300
Give the opposite of 0.
0
300
Ms. Leotaud says that -20 is greater than -23. How could she use the number line to explain why she believes her answer is correct.
On a horizontal number line, -20 is to the right of -23. Any number to the right is greater than numbers to the left. Also, -20 is closer to 0, so it is greater than -23.
300
What is the definition of "absolute value"?
The absolute value of a number is the distance of that number from zero on the number line.
300
Draw a vertical number line to represent the numbers from 1 to -5.
All numbers should be marked: 1, 0, -1, -2, -3, -4, and -5.
400
A drop in temperature of 10 degrees Celsius
-10 degrees Celsius
400
Give the opposites of: -6, 18, -24, and 2.
6, -18, 24, and -2
400
Order these numbers from least to greatest: -25, 0, 48, -110 and 23.
-110, -25, 0, 23, 48
400
A submarine is 230 meters below sea level. A helicopter is 600 meters above sea level. What is the distance between the submarine and the helicopter?
230 + 600 = 830 meters
400
Draw a horizontal number to represent this set of numbers: -4, 0, 3, -1, and 5.
<--*-------------*---*----------*---------*--> -4 -3 -2 -1 0 1 2 3 4 5
500
The plane ascended 2,000 feet right into the clouds.
+2,000 feet
500
If you were asked to represent on a number line the numbers from 0 to 3 and their opposites, what numbers would you mark?
-3, -2, -1, 0, 1, 2, 3
500
Order these numbers from greatest to least: 42, -32, 25, -24, and -61
42, 25, -24, -32, -61
500
The highest point of an iceberg is 23 feet above sea level. Its lowest point is -59 feet. What is the height of the iceberg?
23 + 59 = 82 feet
500
Draw a vertical number line to represent this set of numbers: -3, -2, -5, 0, and 2.
Vertical number line should go from 2 to -5. Only the numbers given should be marked.
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