JUNIOR PYTHAGORAS THEOREMTO VERIFY THAT IN A RIGHT TRIANGLE SQUARE OF THE HYPOTENUSE IS EQUAL TO THE SUM OF THE SQUARES OF OTHER TWO SIDES..

Mesuration Kit ..

MODEL FOE THE DETERMINATION OF THE AREA OF CIRCLE A FORMING BY A RECTANGLE WITH CIRCLE SEGMENTS..

MODEL FOR DEMONSTRATING THE IDENTITY(a+b)2THIS MATHEMATICAL MODEL DEMONSTRATE AND PROVES THE ALGEBRAIC IDENTITY (a+b)2 WITH THE HELP OF DIFFERENT COLOR STRIP..

MODEL FOE GEOMETRIC, MATHEMATICS  AND TRIGONOMETRIC FUNCTION..

MODEL FOR PROPORTIONS IN AND ABOUT   A CIRCLE, FOR TEACHING CHORD RULE, SECANT RULE AND TANGENT RULE..

MODEL TO GENERATE A ORTHOCYCLOID..

MODEL FOR THE SIMILARITIES OF AREA OF DIFFERENT TRIANGLES AND QUADRILATERALS..

MODEL OF A CIRCLE WITH RUBBER STRINGMODEL OF  CIRCLE RUBBER THREADS AND ANGLE GRADUATIONS FOR REPRESENTING LINES, ANGLE AND SURFACE IN ABOUT A CIECULE..

MODEL FOR ANGLES BETWEEN TWO  CHORDS AND BETWEEN A CHORD AND A  TANGENT,FOR COMPARING THESE ANGLES IN DIFFERENT POSITION ..

MODEL OF COMPLEMENTARY PARALLELOGRAMS..

MODEL OF EQUAL ARCS, CHORDS ANGLES AT THE CENTER WITH TWO PAIRS OF RULES FOR SETTING  CHORDS AND ANGLES..

 DEMONSTRATION OF  THE CIRCUMFERENCE OF A CIRCLE BY ROLLING THE CIRCULAR DISK GUIDE ON A SCALE (TOOTHED RACK )OF THE SIMILAR GRADUATION ..

MOVABLE MOUNTING ON THE EDGESDEMONTRATION OF THE MEDIAN OF TRIANGLE MEETING AT A SINGLE POINT..

POLYGON INSCRIBED IN A CIRCLEMODEL FOR THE OF THE OPPOSITE ANGLES IN THE CHORDAL QUADRILATERAL WITH FOUR RULES TO SET DIFFERENT OPPOSITE AND ALTERNATE ANGLE..