VOCABULARY
3.1
3.2
3.3
3.4
100
These are counting numbers, their opposites, and zero.
Integers
100
What is the opposite of 2?
-2
100
Why are decimals rational numbers?
Decimals are rational numbers because they can be written as fractions.
100
Compare the two numbers. -2/3 and -0.5
-2/3 < -0.5
100
Solve |-12|
12
200
Integers on opposite sides of zero and the same distance from zero on a number line.
Opposites
200
What is the opposite of -38
38
200
Why are integers rational numbers?
Integers are rational numbers because they can be written as fractions with a denominator of 1.
200
Compare. -1.44 and -1 1/4
-1.44 < -1 1/4
200
Solve |15|?
15
300
Any number that can be written as a quotient a/b, where a and b are integers and b does not equal zero.
Rational Number
300
What is the opposite of -101?
101
300
Write 1.25 as a fraction.
1 1/4
300
Compare. -2/3 and -0.8
-2/3 > -0.8
300
What is the value of |84|?
84
400
A statement that contains < , > , =, greater than or equal to, less than or equal to, does not equal.
Inequality.
400
What is the opposite of -(-9)?
-9
400
Write -2 1/2 as a decimal.
-2.5
400
Compare. 1/10 and 0.09
1/10 > 0.09
400
Arrange in order from greatest to least. |-6|, |-4|, |16|
|16|, |6|, |0|
500
A number that is less than zero on a number line.
Negatives
500
If Mauna Loa begins 15,000 feet below sea level, how would you write that number out?
-15,000 feet
500
The change in the value of a stock is represented by the rational numbers -5.90. Describe, in words, what this means.
The stocks value fell by $5.90 (went down)
500
Order -3.25 , -3 1/8 , -3 3/4, and -3.1 in order from least to greatest.
-3 3/4, -3.25, -3 1/8, -3.1
500
How would you write a negative balance of $30 in your account?
-$30
M
e
n
u