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Painting Between the Lines

Age 11 to 16
Challenge Level Yellow star
  • Problem
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You may find it useful to explore the equations of straight lines using the interactivity in Parallel Lines.

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On the Road

Four vehicles travelled on a road. What can you deduce from the times that they met?

Enclosing Squares

Can you find sets of sloping lines that enclose a square?

Intersections

Change one equation in this pair of simultaneous equations very slightly and there is a big change in the solution. Why?

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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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