Absolute value is how far away a number is from 0 on a number line.
100
-5 ___ -12 Use <,>, or =. Show on a number line.
>
100
0.78 ___ 0.72 Use <,>, or =
>
100
5/6 __ 5/8 Use <,>, or =. JUSTIFY your answer with a picture, double number line, calculation, or explanation in words.
>
100
Name a positive or negative number to represent earning 9 dollars.
+9
200
What is ⎟7⎟?
7
200
True or false: On a number line, the further left you go on a number line, the smaller the number.
True
200
-0.78 ___ -0.72 Use <,>, or =
<
200
4/25___ 3/10 Use <,>, or = Justify your answer with a picture, double number line, calculation, or explanation in words.
<
200
Which temperature is the COLDEST? -24, -25, 3, or 24 degrees?
-25 degrees
300
What is ⎟-1/2⎟?
1/2
300
Find the opposite of the opposite of -5/6
-5/6
300
Which number has the least value? a) 13.3 b) 13.45 c) 13.23 d)13.13
13.13
300
-4/25___ -3/10 Use <,>, or = Justify your answer with a picture, double number line, calculation, or explanation in words.
>
300
Order from least to greatest: 5, -2, -5, 2
-5, -2, 2, 5
400
Evaluate |31| - |-4|
27
400
Name a positive or negative number to represent a drop of 15 degrees in the temperature.
-15
400
Order the following numbers from least to greatest 1/8, 0.025, 0.25, -1/7
-1/7, 0.025, 1/8, 0.25
400
Sam thinks that -3/4 is greater than 1/2 because it is farther from zero on the number line. Is he correct? Explain.
No. -3/4 has a greater absolute value, but 1/2 is a greater number because it is further to the right on a number line.
400
A bird was 10 feet above sea level. A fish was 10 feet below sea level. What is the distance between the bird and the fish? Sketch a number line and show the distance.
20 feet
500
Evaluate this expression: -⎟-7⎟
-7
(The absolute value of -7 is 7, but then the negative sign outside means the opposite. The opposite of 7 is -7)
500
Write a positive or negative number to represent this situation: A debt of 56 dollars
-56
500
Order the decimals and fractions from GREATEST to LEAST -1/4 0.45 -3.2 0.98 1.5 2.5
2.5, 1.5, 0.98, 0.45, -1/4, -3.2
500
Which fraction has the greatest value? a) 6/7 b) 75/100 c) 3/4 d) 80/100. You may use a calculator. (Hint: What method did we use to convert fractions to decimals for the "food bank" problem?)
6/7
500
Write a positive or negative number that represents 36 meters below sea level.