Exam (elaborations)
MAT 209
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Exam of 4 pages for the course MATH at MATH (MAT 209)
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MAT 2096+10=10+6 - ANS-Commutative property of addition
9 x 5= 5 x 9 - ANS-Commutative Property of Multiplication
(11 + 3) + 7 = 11 +(3 + 7) - ANS-Associative property of addition
(9 x 4 ) x 5 = 9 x (4 x 5) - ANS-Associative property of multiplication
4 x (5 + 8) = 4 x 5 + 4 x 8 - ANS-Distributive property of multiplication over addition
7 + 0= 7
adding zero to a number gives the 'identical' number - ANS-Additive identity property
7x1=7
multiplying a number by one gives us the 'identical' number. - ANS-Multiplicative identity
property
7x0=0
any number multiplied by zero is zero - ANS-Zero Product Property
if you apply the given operation to any choice of two numbers from a given set, then the result
will always be back in the set. {0, 2 ,4, 6} is closed under addition bc any two elements from the
set can be added together and the result is an element in the set. the same set is not closed
under subtraction because you can subtract two of the elements and end up with a number
NOT within the set. - ANS-closure property
First number in a subtraction problem - ANS-Minuend
number that is being taken away from the minuend - ANS-subtrahend
the result from a division problem - ANS-quotient
the number being divided - ANS-dividend
the number that the dividend is being divided by - ANS-divisor
box with 3 sections. one long on top. (Part part whole) sum or difference goes on top. Numbers
being added or subtracted on the bottom. - ANS-Strip diagram
1,2,3.... - ANS-Natural(counting numbers)
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