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Mathematics problem: Tilted squares

Mathematics problem: Tilted squares.

The National Strategies Last update: 2011

Mathematics problem: Odds and evens

Mathematics problem: Odds and evens.

The National Strategies Last update: 2011

Mathematics problem: Harmonic triangle

Mathematics problem: Harmonic triangle.

The National Strategies Last update: 2011

Mathematics problem: Isosceles triangles

Mathematics problem: Isosceles triangles.

The National Strategies Last update: 2011

Mathematics problem: More number pyramids

Mathematics problem: More number pyramids.

The National Strategies Last update: 2011