Pre Algebra Math Midterm

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Work this problem out (write with mouse or finger on the tablet). Show ALL of the working - breaking things out according to the 'multiplying rational numbers' examples we learned about.

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f + g = g + f

Which property of numbers is represented by the above?

• Counterexample

• Commutative Property

• Associative Property

• Distributive Property

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And now what is the answer to this problem?

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With integers, if the signs in front of the numbers in the expression are the same:

• Subtract the absolute values of the numbers and give the answer the sign of the larger number.

• Add the absolute values of the numbers and give the answer the sign of the larger number.

• Divide the absolute values of the numbers and drop the signs.

• Add the absolute values of the numbers and give the answer the sign that both the numbers have (same sign).

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