Vocabulary
What is the distance a number is from zero called?
Absolute value
Absolute Value of |-15|
15
Find the distance between −6 and 5.
11
Find the distance between:
-1/2 and 1/2
1
The temperature was −5°F in the morning and 8°F in the afternoon. What is the distance between the temperatures?
13
What do we call the answer to a subtraction problem?
Difference
Absolute Value of |-8.7|
8.7
Find the distance between −13 and −5.
8
Find the distance between:
-1 1/4 and 2 1/4
3 1/2
A bird is 12 feet above sea level and a fish is 7 feet below sea level. What is the vertical distance between them?
19
What word means how far apart two numbers are?
Distance
Absolute Value of |-4 1/2|
4 1/2
Find the distance between 7 and −9.
16
Find the distance between:
-2 1/2 and 3 1/4
5 3/4
The temperature in one city is −8.6°F and the temperature in another city is 4.9°F. What is the distance between the temperatures?
13.5
What type of number can be written as a fraction of two integers?
Rational number
Absolute Value of |-1.3|
1.3
Find the distance between −4.8 and 3.7.
8.5
Find the distance between:
-4 1/3 and -1 2/3
3 1/3
A student finds the distance between −7 and 6:
-7 - 6 = -13
The student says the distance is −13.
What did the student forget?
Take the absolute value.
True or False: The distance between two different rational numbers can be negative. Explain.
False. Distance tells how far apart numbers are and cannot be negative.
Absolute Value of |-6 3/4|
-6 3/4
Find the distance between −9.4 and −2.65.
6.75
Find the distance between:
-5 3/4 and 2 5/8
8 3/8
A student is finding the distance between −9 and −14 and writes:
|-9 - (-14)|
Their scratch work:
|-9-14|=|-23|=23
Are they correct? If not why and what is the correct answer?
They didn't keep change change correctly. The correct answer is 5