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Variables, Expressions and Properties

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Evaluate   To find the value of an expression  
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Order of operations   A set of rules mathematicians use to determine the order in which operations are preformed  
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Identity property of multiplication   The product of a number and one is that number  
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Associative property of multiplication   The way numbers are grouped does. Not effect the product  
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Identity property of addition   Adding zero to a number does not change the number  
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Substitution   To replace a variable with a number  
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Distributive property   Multiplying a sum or difference by a number gives the same results as multiplying each number in the sum or difference by the number and adding or subtracting the products.  
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Coefficient   The number that is multiplied by a variable in an algebraic expression  
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Algebraic expression   A mathematical phrase that has at least one variable and one operation  
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Commutative property of addition   The order in which numbers are added does not change the sum of the numbers  
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Variable   A quantity that can change or vary, often represented with a letter  
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Input and output table   A table of related values.  
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Commutative property of multiplication   The order in which numbers are multiplied does not change the product of the numbers  
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Associative property of addition   The way numbers are grouped does not affect the sum  
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