Test Review
What is the definition for a sum?
The answer to an addition problem
What is an example of an integer?
-55, 124, a whole number that is NOT a fraction
Write the math problem below as an integer: 6 degrees below zero
-6
Give an example of an improper fraction.
An improper fraction is a fraction that has a numerator that is larger than the denominator. Example: 43/3
A negative number is any number __________ zero. Fill in the blank.
Below
Subtract the fractions: 4/5 - ⅕
⅗
10 - 15 =
-5
Define a quotient.
An answer to a division problem
What is a mixed number? Give an example.
A mixed number is a whole number with a fraction. Example: 4 ½
6 - (-9) =
15
-6 x -7 =
42
Find the product: -4 x 5 =
-20
Divide: 33 / (-11)
-3
-42 + (-8) =
-50
Divide: -50 / (-5) =
10
A submarine starts out at 130 feet below sea level. It dives 100 more feet below sea level. Represent the current depth of the submarine as an integer.
-130 + (-100) = -230 ft
Add the fractions: 1/2 + 3/4
1 ¼
Solve the exponent: (-3) ^3
(-3) x (-3) x (-3) = -27
Solve the exponent: 4^3
64
What is the least common denominator for the fractions 1/2 and 3/8?
8
What does PEMDAS stand for? What is the saying that helps you remember it?
PEMDAS stands for parentheses, exponents, multiplication, division, addition, and subtraction. The saying that helps you remember it is PLEASE EXCUSE MY DEAR AUNT SALLY.
Solve the PEMDAS problem: 2^2 + 8 x 5 (remember that the carrot ^ stands for exponents)
44
Solve the PEMDAS problem: (6x4) / 2 + 3
15
Turn the improper fraction into a mixed number: 23/5
4 ⅗
Turn the mixed number into an improper fraction: 4 ¾
19/4