Vocabulary
What does is the definition of an integer?
Sets of whole numbers and their opposites
What integer represents 10 feet below sea level?
-10
On a number line, which is farther to the right: -1 or 0?
0
Which is greater: 0.5 or ⅓?
Describe strategy
0.5
The temperature is -2°F in the morning and 5°F in the afternoon. What’s the change?
7°F
What is the definition of opposites?
2 numbers that are the same distance from 0 but on different sides of 0 on the numberline
Which integer is greater: -7 or -3?
Plot -3 and +4 on a number line. Which is farther from zero?
+4
Which is smaller: -7 or -10?
-10
A hiker is 300 feet below sea level in a canyon, while another is 180 feet above sea level. How far apart are they vertically? Use absolute value to explain your answer.
480 feet
What does the term absolute value mean?
The distance a number is from 0
True or False: Zero is a positive integer.
False - Zero is neither
If a diver is at -30 feet and a bird is at +12 feet, how far apart are they?
42 feet
Arrange from least to greatest: -1, 1/4, -1.2, 2, 0, -3/4, 1.2, 7/10.
-1.2, -1, -3/4, 0, 1/4, 7/10, 1.2
A diver is 20 feet below the surface of the ocean, while a bird is flying 50 feet above the ocean. What is the total distance between the diver and the bird?
70 feet
What does magnitude mean?
A numbers size or amount without considering it’s sign.
It means the same as absolute value
What is the opposite of the following?
-10
15
-4
-10 and 10
15 and -15
-4 and 4
As you move to the right on the number line numbers get _______________ and as you move to the left the numbers get ________________.
Larger
smaller
Order the following numbers from least to greatest: -3, 4/5, -1/2, 0.9, -2.25.
-3, -2.25, -1/2, 4/5, 0.9
You owe $35 and pay back $20. What integer represents your balance?
-$15
What is a rational number?
Any number that can be turned into a fraction
Which integer is closer to zero: -2 or -5?
-2
Place in order from least to greatest: -2,-7, 5, -4.2, -2.5, 0.
-7, -4.2, -2.5, -2, 0, 5
Place these in order from greatest to least: 4, |–6|, 3.75, 4.1, 10/3
|–6|, 4.1, 4, 3.75, 10/3
The temperature dropped from 5°C to -7°C. What is the total change in temperature?
12°C