Additive Inverse & Absolute Value
What is the additive inverse of 57
-57
If you are adding two negatives, what should your answer be? Negative or Positive
Negative
What is the additive inverse?
Two numbers added that equal 0
Are the rules for multiplying and dividing the same?
Yes
What are the 4 total operations that are used interchangeably in PEMDAS?
MD & AS
Add their absolute values -3+7
10
Solve the expression -4-8
4
What is absolute value?
The distance of a number from zero on a number line and, is ALWAYS positive.
What is the simplified expression a/b if a=-20 and b=-100
1/5
In this expression, what should you do first? -2 x (6x3) divided by 4
multiply 6x3
What is the additive inverse of -14
14
When you see a subtraction sign next to a negative sign likes so, x-(-y). What do you know you have to do?
You would have to add the positive x and the y
What is an integer?
a whole number that can be positive, negative, or zero, with no fractional or decimal components
Solve -4(-5)+(-18/6)
17
Solve 4 x 3(12/6) +7
31
What is the absolute value of -43
43
What do you know about the "greater value" in expressions of adding and subtracting?
You take the sign of the greater value of the number. For ex., -10+12. You know your answer is a positive number since 12 is bigger than 10.
What is a rational number?
Any number that can be expressed as a fraction, or ratio, of two integers, where the denominator is not zero.
Which of the following is the decimal representation of the rational number 8/12
0.6666
Solve 9.3 + 4.6 + (15/5) - 4
12.9
If you are on a number line at positive 13, how many times do you have to "jump" to get to 0, what way are you jumping on a number line?
13 spots to the left
Solve -4 + 7 - (-8) - 5 + 18
24
What is the difference between non-terminating and terminating decimals?
Terminating is when the decimals end, and non-terminating is when the decimal keeps going
Convert 9/24 to a decimal
0.375
Solve -2 x (6x3) divided by 4
-9