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