Number Types
True or false: 13.5 is a rational number.
True. 13.5 is a rational number.
What does an equation have that an expression does NOT have.
An equal sign
Classify the following number as either whole #, integer, or rational: 9
9 is a whole number (most specific category).
Symbols which show an unknown mathematical amount (e.g., X, Y, Z) are called __________.
Variables
Integers are the set of whole numbers and their _______.
Opposites
Classify the following number as either expression or equation:
(5 • 6)+ 8.95 + 15x
Expression (no equal sign)
Classify the following number as either whole #, integer, or rational: 6/2.
6/2 is equal to 3, which is a whole number.
8 + 7 - 5
10
True or false: 0 is a rational number.
True. 0 is considered the first number in the set of whole numbers, making it also a rational number.
Simplify:
(5 • 6) + (3 - 6)
27