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7 Cards in this Set

  • Front
  • Back
Positive Numbers
add the same as arithemitc numbers. The answer is positive.
Negative Numbers
Add absolute numbers, the answer is negative.
A positive and a negative number
Subtract the smaller absolute value from the larger. Then:
A) if the positive number has the greater absolute value, theanswer is positive

B) If the negative number has the greater absolute value, the answer is negative

C) if the numbers have the same absolute value, the answer is 0.
One number is Zero
the sum is the other number
Identity Property of Zero
for any real number a, a+0=a
Opposites
the opposites or the additive inverse of a number "a" is written as "-a" opposites are are the same distance from 0 on the number line on different side of 0
Opposite of the Opposite
the opposite of the opposite of a number is the number

I.e. -(-a) = a