Mathematics problem: Tilted squares.

The National Strategies Last update: 2011

Mathematics problem: More number pyramids.

The National Strategies Last update: 2011

Mathematics problem: Consecutive sums.

The National Strategies Last update: 2011

Mathematics problem: Triangles in circles.

The National Strategies Last update: 2011

Mathematics problem: Harmonic triangle.

The National Strategies Last update: 2011

Mathematics problem: Seven squares.

The National Strategies Last update: 2011

Mathematics problem: Isosceles triangles.

The National Strategies Last update: 2011

Mathematics problem: Square it.

The National Strategies Last update: 2011

Mathematics problem: Route to infinity.

The National Strategies Last update: 2011

Mathematics problem: Speeding up, slowing down.

The National Strategies Last update: 2011