873 Math (2010) March 2011
Zero Pairs In Math. • a pair of numbers whose sum is zero, e.g. • used to illustrate addition and subtraction problems.
• used to illustrate addition and subtraction problems. When we have a positive unit and a negative unit, they add up to zero. • a pair of numbers whose sum is zero, e.g. We call that a zero pair.
We call that a zero pair. • a pair of numbers whose sum is zero, e.g. When we have a positive unit and a negative unit, they add up to zero. • used to illustrate addition and subtraction problems. We call that a zero pair.