Understanding Positve and Negative Numbers
What is a rational number?
A number that can be written as a fraction or ratio, including intergers, fractions, and decimals.
Where 0 is located on the number line?
In the center, dividing positive and negative numbers.
Which is greater? 3/4 or 1/2
3/4
What is the absolute value of -4?
4
If the temperature drops from 3 degrees Celcius to -2 degrees Celcius, what is the change in temperature?
5 degrees Celcius
What is the opposire of -7?
7
If a number is to the right of 0 on the number line, is it positive or negative?
Positive
Compare -1/3 and 1/3. Which is greater?
1/3
Find the absolute value of 7.
7
Jake owes his friend $6 and finds $10. How much money does he have now?
$4
Which number is smaller, -3 or -5?
-5
Which numner is further from 0, -8 or 5?
-8
Which decimal is larger, 0.5 or 0.25
Answer 0.5
Whcih has a greater absolute value, -6 or 5?
-6
Maria hikes up a mountain and gains 150 meters in altitude, then goes down 200 meters. What is her final altitude change?
-50 meters
Name two rational numbers between -2 and 2
Answers may vary
Place 1/2 and -1/2 on the number line. Which is further from 0?
They are both the same distance from 0.
Which is smaller: -7/8 or -1/2
-7/8
Whaat is the absolute value of -12.5?
12.5
If the stock market drops by 25 points, then rises by 15 points, what is the overall change?
-10 points
What does it mean if the number is positive?
The number is greater than zero.
If you move left from -3 on the number line, are you increasing or decreasing the value?
Decreasing
Compare 3/10 and -2/10. Which is greater?
3/10
True of False: The absolute value of any negative number is always negative.
False
A submarine dives 400 meters below sea level, then rises 150 meters. How deep is it now?
250 meters below sea level