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33 Cards in this Set

  • Front
  • Back
natural #s
{1, 2, 3 ...} counting #s
whole
natural #s and 0
integers
whole #s & their opposites
{....-3,-2,-1,0,1,2,3.....}
rational
any # that can be written in form of fraction
irrational
any # that can NOT be written in form of fraction
real
all irrational and rational #s
What is the formula for area of a rectangle?
A = L * W
What is the formula for area of a triangle?
A = 1/2 B * H
Congruent
All sides and angles are the same - same size, same shape
Order of Operations
PEMDAS - Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
proportion
equation that states 2 ratios (fractions) are equal
example 1/2=50/100
expanded form
2,495 = 2,000 + 400 + 90 + 5
mixed numbers
A number that consists of a whole number part and a fractional part.
Example: 1 1/3
digits
any one of the following ten numerical symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.
origin
(0,0)
x-axis
horizontal number line
y-axis
vertical number line
ordered pair
(x,y)
terminating decimal
A decimal with a finite number of digits.
repeating decimal
A decimal in which a digit or a set of digits repeat infinitely.
range
In statistics, the difference between the largest and smallest values in a sample.
prime number
A whole number greater than 1 whose only factors are 1 and itself.
composite number
A number exactly divisible by at least one whole number other than itself and 1.
similarity
Having the same shape, but not necessarily the same size.
mode
The number of element that occurs most frequently in a set of data.
median
The middle number in an ordered set of numbers.
What is the formula for area of a circle?
"Pi r squared"
What is the formula for circumference of a circle?
Pi x D
Complementary angles
Add up to 90 degrees
supplementary angles
Add up to 180 degrees
probability
the number of chances
divided by
the number of choices
what are the factors of 15
1, 3, 5
what are the multiples of 6
6, 12, 18, 24...