Monday, January 12, 2015

R-6 Our final Rules for negatives

(+)-(+) and (-)-(-)

Find the absolute value of the two numbers. If the first number is larger, the answer is positive. If the 1st number is smaller, answer is negative.

(+)- (-) and (-) - (+)

Add the absolute values, if the first number is negative the answer is negative. If the first number is positive the answer is positive.

Write 4 problems that prove each subtraction rule.

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