NRICH: Coordinate Patterns
NRICH (University of Cambridge)

Charlie and Alison have been drawing patterns on coordinate grids. Can you picture where the patterns lead?

NRICH: Route to Infinity
NRICH (University of Cambridge)

Can you describe this route to infinity? Where will the arrows take you next?

NRICH: Graph Triangles
NRICH (University of Cambridge)

Use the information about the triangles on this graph to find the coordinates of the point where they touch.

Illuminations: Heart Plot
National Council of Teachers of Mathematics

How do I love thee? Let me plot the ways!

Illuminations: Heart Graph
National Council of Teachers of Mathematics

Can you come up with one or more equations to graph a heart on the coordinate plane?