Unit One
Find the Mean, Median, Mode and Range of the below set of numbers:
1,10,8,25,6,0,5,7
Mean- 62
Median-6.5
Mode- None
Range- 25
Add and multiply the following problem:
42.89 + 270.675=
3.24 x 0.89=
313.565
2.8836
Write and solve the following:
Twenty-two times a number equals fourty four.
22xN= 44
N=2
What is the absolute value of /-8/?
The absolute value is 8.
Find the IQR for the following set of numbers:75,82,88,90,94
IQR: 8
Divide the following fraction:
2/8 divided by 4/16=
38/32
Rewrite the following into words:
85 x N = 425
eighty five times a number equals 425.
What is an integer?
A whole number that can be positive, negative or zero, without any fractional or decimal components.
How do you find the mean in a set of numbers?
Add all of the numerical values together to find their sum, then divide that sum by the total count of numbers in the set.
Subtract the following:
6/14 - 3/14=
3/14
Solve the following inequality:
2x + 1 < 9
x<4
What is the difference between and irrational vs rational number?
Irrational: Is a real number that cannot be expressed as a simple fraction and never repeat a pattern.
Rational: is any number that can be expressed as a fraction of two integers, where the numerator is an integer, and the denominator is a non-zero integer.
How do you define Median?
The middle value in a set of numbers that has been arranged from smallest to largest.
Add the following:
1 3/4 + 2 5/12=
4 1/6
What is an inequality?
A mathematical sentence comparing two values or expressions that are not necessarily equal by using symbols like < (less than), > (greater than), less than/ greater than or equal to.
What is the opposite of the following numbers?-8,6,20,-99
8,-6,-20,99