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30 Cards in this Set
- Front
- Back
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terminating decimals: rational or irrational?
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rational
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repeating decimals: rational or irrational?
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rational
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a/b when b is not equal to 0: rational or irrational?
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rational
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integers: rational or irrational?
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rational
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whole numbers: rational or irrational?
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rational
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natural numbers: rational or irrational?
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rational
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pi: rational or irrational?
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irrational
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the square root of 7: rational or irrational?
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irrational
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a square root of a negative number: rational or irrational?
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irrational
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definition: prime number
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a natural number that only has two factors- 1 and itself (2, 3, 5, 7, 11, 13, 17...)
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PEMDAS?
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Parentheses
Exponents Multiplication Division Addition Subtraction |
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(+) + (+) = ?
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+
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(-) + (-) = ?
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-
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(+) + (-) = ?
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sign of bigger number
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(+) * (+) = ?
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+
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(-) * (-) = ?
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+
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(+) * (-) = ?
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-
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addition words
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sum, add, plus, and, more (than), exceeded by
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subtraction words
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difference, minus, less (than), from, take away, without, deduct
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multiplication words
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product, factor (of), times, of, multiply
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division words
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quotient, divided by, over, dividend, per, into, split, ratio, reduce
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commutative (+)
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a + b = b + a
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commutative (*)
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a * b = b * a
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associative (+)
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a + (b + c) = (a + b) + c
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associative (*)
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a * (b * c) = (a * b) * c
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distributive
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a (b + c) = ab + ac
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identity (+)
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a + 0 = a
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identity (*)
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a * 1 = a
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inverse (+)
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a + (-a) = 0
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inverse (*)
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a * 1/a = 1
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