Quick Reference ~ A maths Dictionary for Kids by Jenny Eather Email jeather@iprimus.com.au A Maths Dictionary for Kids by Jenny Eather at www.amathsdictionaryforkids.com


ordered pair

• a pair of numbers where order is important,
for example, (4, 6) is different to (6, 4).
• coordinates are written as ordered pairs of numbers
or letters and numbers.
• the first term is called the abscissa and
denotes the horizontal position.
• the second term is called the ordinate and
denotes the vertical position.
• used on coordinate planes,
grids or maps.


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