Real Number System
Natural Numbers are:
1, 2, 3, ...
The integers are the numbers:
… ,-3, -2, -1, 0, 1, 2, 3, …
The word ratio indicates which mathematical operation?
Division
We remember the order of operations with the acronym _________________.
PEMDAS
121 = ?
12
Whole numbers are Counting Numbers including _____________.
Zero
______________ is neither negative nor positive.
Zero
An _____________ is a mathematical phrase that contains numbers, variables, or both.
Expression
There are ________ steps of the Order of Operations.
Four
A power is the result of a repeated multiplication of the same ____________.
Factor
Rational numbers can be written as a ___________ or a ______________.
Fraction or Decimal
The absolute value of a number is its ___________ from 0 on a number line.
Distance
Evaluate the expression when x = 10 and y = 4
x + y = ?
14
The rules used for simplifying _______________ expressions are called order of operations.
Numerical
State the expanded form below as an exponential expression:
n∙n∙n∙n∙n∙n∙n
n7
Pi is an example of an _______________ number.
Irrational
Evaluate the expression when x = -4:
-12 - |x|
-16
A _______ _______ describes a problem using words as labels and using math symbols to relate the words.
Hint: There are two words!
Verbal Model
When evaluating the expression below, the FIRST mathematical operation to be performed is _________________:
5[36 – (13 + 9)]
Addition
V = _____ is the formula to find the Volume of a Cube.
V = s3
True or False:
Rational Numbers are not Real Numbers
False
Find the difference:
-2 - 29 -1 - (-13)
Write the verbal model as an algebraic expression:
23 is less than twice k
2k - 23
Evaluate the expression on the board:
2
Evaluate the following expression:
35
729