MathterRiddler @MathterRiddler · Jan 20 Puzzle from the Mathter website: mathter.islands.co.il/en/questions/2… #Puzzle #Symmetry #CutaShapeDissectionProblems #GridPaperGeometryLatticeGeometry #CongruenceTransformationsIsometries 8
MathterRiddler @MathterRiddler · Jan 6 Puzzle from the Mathter website - Cut a Boat in Half: mathter.islands.co.il/en/questions/4… #Puzzle #Symmetry #CutaShapeDissectionProblems 1 2
MathterRiddler @MathterRiddler · Dec 22, 2025 Puzzle from the Mathter website: mathter.islands.co.il/en/questions/2… #Puzzle #Symmetry #CutaShapeDissectionProblems #GridPaperGeometryLatticeGeometry #CongruenceTransformationsIsometries 5
MathterRiddler @MathterRiddler · Dec 16, 2025 Puzzle from the Mathter website: mathter.islands.co.il/en/questions/2… #Puzzle #Symmetry #CutaShapeDissectionProblems #GridPaperGeometryLatticeGeometry #CongruenceTransformationsIsometries 3
MathterRiddler @MathterRiddler · Nov 27, 2025 Puzzle from the Mathter website: mathter.islands.co.il/en/questions/2… #Puzzle #Symmetry #CutaShapeDissectionProblems #GridPaperGeometryLatticeGeometry #CongruenceTransformationsIsometries 6
MathterRiddler @MathterRiddler · Oct 23, 2025 Puzzle from the Mathter website: mathter.islands.co.il/en/questions/2… #Puzzle #Geometry #CutaShapeDissectionProblems #GridPaperGeometryLatticeGeometry 1 11
MathterRiddler @MathterRiddler · Jul 19, 2025 Puzzle from the Mathter website: mathter.islands.co.il/en/questions/2… #Puzzle #TriangleCongruence #CutaShapeDissectionProblems 1
MathterRiddler @MathterRiddler · Jul 11, 2025 Puzzle from the Mathter website: mathter.islands.co.il/en/questions/2… #Puzzle #Symmetry #CutaShapeDissectionProblems #GridPaperGeometryLatticeGeometry #CongruenceTransformationsIsometries