Ordered Pairs

The x-axis is the ____________ number line

• Horizontal

• Vertical

• L-shaped

• Grid

The y-axis is the ____________ number line.

• horizontal
• diagonal
• perpendicular
• vertical

What is an ordered pair?

• A collection of numbers in a fixed order

• An ordered pair is a pair of numbers (x, y) which tell you the location of the object

• An ordered pair is a single element (a).
• An ordered pair is a pair of elements (b, a) where the order does not matter.

TRUE OR FALSE. The y-coordinate tells us the vertical (up) distance from 0 and the x-coordinate tells us the horizontal (sideways) distance from 0.

• True

• False

What is the ordered pair for B? Remember to use brackets and a comma!

What is the ordered pair for C?

What is the ordered pair for D? Remember to use brackets and a comma between the numbers!