Negative and Positive Numbers Addition and Subtraction

In a distance problem if both numbers are positive

• add

• subtract

• positive

• negative

• take sign of number with greater absolute value

In a distance problem if 1st positive and 2nd negative

• add

• subtract

• positive

• negative

• keep sign of number with greater absolute value

In a distance problem if the 1st negative and 2nd positive.

• add

• subtract

• positive

• negative

• take sign of number with greater absolute value

If a + (-a )= 0; then ( -a ) is called

• Additive identity of a

• additive inverse of a

• Multiplicative identity of a

• None of these

The additive inverse of -6/7

• 6/7

• -7/6

• 7/6

• 1

73 + (-73)

• 73

• 146

• -146

• 0

_____ is/are set of whole numbers and its opposites

________ is the reverse operation of addition.

When we add a positive integer and a negative integer, we have to perform subtraction on the absolute value of each integer, then copy the symbol of the _(biggger or smaller)_ number

12 - 19

• 7

• -7

• 31

• -31