U2 L8 Add with Negative Numbers Vocab

integers

• the set of whole numbers and

  their opposites.

• height above or below a given

  level, often sea level.

• numbers that are

  greater than 0.

• numbers that are the

  same distance from 0 on a number line but

  in opposite directions.

rational number

• the set of whole numbers and

  their opposites.

• number that can be expressed as the fraction a/b or the opposite of a/b

  where a and b are whole numbers and b is not 0. Rational numbers can also be

  expressed as a decimal.

• two numbers whose sum is zero.

  Opposite numbers form a zero pair.

• numbers that are less

  than 0. They are located to the left of 0 on a

  horizontal number line and below 0 on a

  vertical number line.

zero pair

• the set of whole numbers and

  their opposites.

• numbers that are less

  than 0. They are located to the left of 0 on a

  horizontal number line and below 0 on a

  vertical number line.

• two numbers whose sum is zero.

  Opposite numbers form a zero pair.

• numbers that are

  greater than 0. They are located to the right

  of 0 on a horizontal number line and above

  0 on a vertical number line.

elevation

• numbers that are

  greater than 0. They are located to the right

  of 0 on a horizontal number line and above

  0 on a vertical number line.

• two numbers whose sum is zero.

  Opposite numbers form a zero pair.

• compared to something or

  someone else.

• height above or below a given

  level, often sea level.

In addition if both numbers are negative

• The sum is positive

• The sum is negative

• add

• subtract

In addition if the signs are different

• add

• subtract

• the sum is always positive

• the sum is always negative

• take sign of number with greater absolute value

In addition if the 1st number is positive and 2nd negative

• The answer is always positive

• The answer is always negative

• add

• subtract

• take sign of number with greater absolute value