Math Praxis 5003 (Algebraic Thinking)
Commutative Property - CORRECT ANSWER-the result of an arithmetic
operation is not affected by reversing the order of the numbers.
addition and multiplication are operations that can be done with the commutative
property.
Example: 5X2=2X5
Associative Property - CORRECT ANSWER-When the parentheses can be
moved to group different numbers in an arithmetic problem together without
changing the result.
addition and multiplication are associative properties.
Example: 2+(3+4)= (2+3)+4 or 2(ab)=(2a)b
Distributive Property - CORRECT ANSWER-when a value is being multiplied by
a sum or difference, multiply that value by each quantity within the parentheses.
Then, take the sum or difference to yield an equivalent result.
Example: 5(a+b)= 5a+5b or 5(100-6)= (5X100)- (5X6)
Additive Inverse - CORRECT ANSWER-the number that, when added to a
number gives you the additive identity.
-3+___=0
-3+3=0
Multiplicative Identity - CORRECT ANSWER-when multiplied by a number, it
does not changge the number. For all integers, the multiplicative identity is 1.
Example: 5X1= 1 or -3x1= -3
Multiplicative Inverse - CORRECT ANSWER-the number that when multiplied by
the number gives you the multiplicative identity.
Reciprocal - CORRECT ANSWER-obtained by reversing the numerator and the
denominator of a fraction.
- CORRECT ANSWER-
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