Vocabulary
A(n) ________ is a positive or negative number, that is not a decimal or fraction.
Integer
Write an integer to represent withdrawing $18 from your bank account.
-18
What is the opposite of -5?
5
Compare 3 and -3.
3 > -3
or
-3 < 3
The ____________ is the distance a number is from zero (it can only be positive!).
Absolute Value
If 6 represents the 6th floor of a building, and -1 represents the basement of a building, what does 0 represent?
The ground level.
What is the absolute value of -5?
5
Compare -5 and 23.
-5 < 23
or
23 > -5
A coordinate plane is split into 4 ___________ : Q1, Q2, Q3 and Q4.
Quadrants
1. Write an integer to represent Ms. Dundas owing Mrs. Thompson $40.
2. Write an integer to represent Ms. Dundas earning $15.
3. What does 0 represent in this situation?
1. -40
2. 15
3. Ms. Dundas having no money.
Find the opposite AND absolute value of 24.
Opposite: -24
Absolute Value: 24
Compare -8 and 2.
-8 < 2
or
2 > -8
The _______ of a number has the same absolute value, but a different sign.
Opposite
Ms. Dundas hikes 230 feet above sea level, and a fish swims 6 feet below sea level. What does 0 represent in this situation?
Sea level
/ -12 / = ?
12
Compare -19 and -33.
-19 > -33
or
-33 < -19
A zero pair is ...
What is the positive and negative of the same number. Opposites.
If +5 represents the Seahawks gaining 5 yards, -6 represents them losing 6 yards, what would 0 represent?
Their starting point.
What is the difference between opposite and absolute value?
Opposite: The integer that is the same distance away from zero on the other side of the number line (has the opposite sign).
Absolute Value: The distance a number is from zero.
Compare -86 and -12.
-86 < -12
or
-12 > -86