Vocab
1) The answer to an addition problem.
2) The answer subtractions problem.
1) Sum
2) Difference
9-(-5)=
What is 14
-2 (33)=
-66
250 divided by -50
-5
What does |a| tell you?
What is "the distance a is from zero"
1) The answer to a multiplication problem.
2) The answer to a division problem.
1) Product
2) Quotient
8(-4)=
-32
(-56) divided by (-8)=
7
|17|=
What is 17
Define Absolute Value
The distance the number is from zero.
-9 + 21
-15 (-4)=
60
-120 divided by 40
-3
|-1000|=
What is 1000
What is an integer?
Positive and negative numbers, and zero.
Cannot be fractions or decimals.
14 + (-9) + (-20)
-15
(-123) (-456) (-789)
It is NEGATIVE because there is an odd number of negative signs in the expression.
(10*-2)/5
-4
|-9|-|-15|
SHOW WORK
-6
Define opposites
Two numbers that are the same distance from zero, but on opposite sides.
Rewrite this expression in another way
-6-5
-6 + (-5)
Is the product positive or negative? How do you know?
(-45) (-61) (-34) (-11)
It is POSITIVE because there is an even number of negative signs in the expression.
1) Explain when you know a quotient will be positive.
2) Explain when you know a quotient will be negative?
1) Positive when even amount of negative signs in the expression.
2) Negative when odd amount of negative sign in the expression.
|-14|+|8|=
22