UNIT 9

Contents

POLYHEDRONS

• Characteristics of polyhedrons.

– Elements of polyhedrons: faces, edges and apexes.

• Prisms.

– Classification according to the polygon of the bases.

– Development of a right prism.

• Parallelepipedons. Cuboids.

– The cube as a specific case.

• Pyramids: characteristics and elements.

– Development of a regular pyramid.

REGULAR POLYHEDRONS

• Description of the five regular polyhedrons.

• Development of regular polyhedrons.

THE BODIES OF REVOLUTION

• Right and oblique cylinders.

– Identification of cylinders.

– Development of a right cylinder.

• Cones.

– Identification of cones.

– Development of a right cone.

• The sphere.

SURFACE AREA

• Measurement units of the Decimal Metric System.

AREAS OF PLANE FIGURES

– Quadrilaterals: rectangles, squares, rhombuses, trapeziums, etc.

– Triangles.

– Regular polygons.

– Circle and associated figures.

AREAS OF THREE-DIMENSIONAL FIGURES

– Cuboids and cubes. Development and calculation of areas.

– Prisms. Development and calculation of areas.

– Cylinders. Development and calculation of areas.

– Pyramids. Development and calculation of areas.

– Cones. Development and calculation of areas.

– Spheres and associated figures. Calculation of areas

MEASURING VOLUME

• Capacity and volume.

– Operations with measurements of volume. Conversion from complex to non-complex form and vice versa.

– Units of volume and capacity. Relations and equivalences. Multiples and divisors.

VOLUME OF SPATIAL BODIES

• Volume of the cuboid. Volume of the cube.

– Calculating the volume of cuboids and cubes.

• Volume of prisms and cylinders.

– Calculating the volume of prisms and cylinders.

• Volume of pyramids and cones.

– Calculating the volume of pyramids and cones.

• Volume of a sphere.

– Calculating the volume of a sphere and associated figures.

• Resolving problems involving the calculation of volumes.


RESSOURCES:

• WOKSHEET ABOUT VOLUME