copyright@Ed2netLearning,Inc SOLIDS GRADE 3 copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc Hello, How are you doing? Today, we are going to start a new lesson on Solids. copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc 3-dimensional figure 3-dimensional figure – A figure that has length, width and height. copyright@Ed2netLearning,Inc
Types of 3-dimensional figures Rectangular Prism Cylinder Cube Cone Pyramid Sphere copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc 3-dimensioanl figures Rectangular prism width height length Vertex Straight edge face Cube copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc 3-dimensional figures Cylinder Curved edge Curved face Sphere copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc 3-dimensional figures Cone base Pyramid copyright@Ed2netLearning,Inc
Cube and Rectangular Prism All Cubes are Rectangular Prisms as they all have 6 faces , 12 edges and 8 vertices. All Rectangular Prisms are not cubes as prisms do not all have 6 faces that are equal sizes. copyright@Ed2netLearning,Inc
Comparison of 3-dimensional figures Name Number of curved sides Number of flat faces Number of edges Number of vertices Cube 6 12 8 Rectangular Prism Sphere 1 Cylinder 2 Cone Pyramid 5 copyright@Ed2netLearning,Inc
2 and 3 dimensional figures : A difference 2- dimensional figures as squares only have length and width. They do not have height. 3-dimensional figures as cubes have length, width and height. Square cube copyright@Ed2netLearning,Inc
What is the shape of the battery shown below? Answer- cylinder copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc Name the following. The shape of the book – The shape of the earth- Answer Rectangular prism sphere copyright@Ed2netLearning,Inc
What is the shape of the given funnel shown below? Answer- cone copyright@Ed2netLearning,Inc
The shape of the given ball is ----. Answer- sphere copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc ASSESSMENT copyright@Ed2netLearning,Inc
1. Name the 3-dimensional figure the given object looks like. Answer- cylinder copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc 2. Which has only one edge? a) Cone b) Cylinder c) Sphere d) none of these copyright@Ed2netLearning,Inc
3. Which two 3-dimensional figures are shown in the figure below? Answer- cone and sphere copyright@Ed2netLearning,Inc
4. Name the 3-dimensional figures shown below. A B Answer- a) cylinder b) rectangular prism copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc 5. Complete the table. 3-dimensional figures Number of edges 12 2 copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc 6. Which 3–dimensional figure is obtained on folding the figure given below? Cylinder Cone Cube Rectangular Prism copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc 7. Mike traced around the bottom of the box shaped like a pyramid. What shape did he get? Answer- square copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc 8. Robin uses 2 equal sized circles and 2 equal sized sticks to make a 3- dimensional figure. Name the figure. Answer- cylinder copyright@Ed2netLearning,Inc
9. Choose the right name of the shape shown blow. Rectangular Prism Cube Pyramid None of the above copyright@Ed2netLearning,Inc
10. What is the shape of the container shown below? Answer- Rectangular prism copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc Recap 3-dimensional figure Cube Rectangular prism Cone Cylinder Sphere Pyramid Solved examples Unsolved examples copyright@Ed2netLearning,Inc
copyright@Ed2netLearning,Inc Good Work! Now Practice worksheets on the lesson. copyright@Ed2netLearning,Inc