Mathematics: Solids Lesson
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This document discusses geometric shapes, specifically comparing and classifying solid shapes according to their dimensions and properties. It explains that solid shapes are three-dimensional objects that can be described by their width, depth, and height. The key properties of solid shapes discussed are their volume, surface area, and the number of vertices, faces, and edges they have. Specific solid shapes are also discussed like cubes, cones, cuboids, spheres, pyramids and prisms along with their nets.
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It an interesting ppt from with a child can understand the concept of solid shape and different views of a solid shapes from different sides .
thank you
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Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
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Chapter 4
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Chapter 6
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1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
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3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
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Mathematics: Solids Lesson
- 1. Mathematics COMPARE & CLASIFY SOLID SHAPESStandard 3 Objectives
- 2. Geometric Shapes If you like playing with objects, or like drawing, then geometry is for you! Plain Shapes are about flat shapes like lines, circles and triangles ... shapes that can be drawn on a piece of paper. Solid Shapes are about three dimensional objects like cubes, prisms, cylinders and spheres.
- 3. Dimensions A 1 dimensional shape is just a line A 2 dimensional shape is called a plane. A 3 dimensional shape is called a solid. 1D 2D 3D
- 4. Look at the 3D objects. Geometric Shapes In your own words, what do you know about 3D shapes?
- 5. Solid shapes are 3 dimensional. They are the kind of shapes we live in. Geometric Shapes It is called three-dimensional, or 3D, because there are three dimensions: width, depth and height.
- 6. Properties Volume (think of how much water it could hold). Surface Area (think of the area you would have to paint). How many vertices (corner points), faces and edges they have? Solids have properties (special things about them), such as:
- 7. Properties How many vertices (corner points) these solid shapes have? A vertex is a corner. A vertex (plural: vertices) is a point where two or more line segments meet.
- 8. Properties How many edges these solid shapes have? An edge is a line segment between faces.. An edge is a line segment on the boundary, joining one vertex (corner point) to another. An edge is a line segment where two faces meet.
- 9. Properties How many faces these solid shapes have? A face is a single flat surface. A face is any of the individual flat surfaces of a solid object.
- 10. The Cube& The Net
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- 13. The Cuboid& The Net
- 14. The sphere& The Net
- 15. The Square Base Pyramid & The Net
- 16. Triangular Base Prism & The Net
- 17. The Cylinder & The Net