Q102Multiple choice
In a town, an ice cream parlour has displayed an ice cream sculpture of height 360 cm. The parlour claims that these ice creams and the sculpture are in the scale 1:30. What is the height of the ice creams served? Activity 1 : Find the most appropriate way to reach from start to finish. (Use a coloured pen of your choice to show the path traced.) Start Finish Start Finish Activity 2 : Rohit is a 7 year old young boy. His uncle Raj asked him to draw a map to reach Sport’s Complex from his (Rohit’s) house. He drew the following map. Can you help Uncle Raj by drawing a better map considering yourself as Rohit’s Father/Mother. Activity 3 : Look at the map of city given on the next page:
- (a)Colour the map using the given colour code as follows. Blue-water, Red-Fire station, White-Hospital, Green- Parks, Cream-River Bed, Brown-Mountains.
- (b)Mark the shortest route from House to Pool with the help of arrowes.
- (c)Put X at the intersection of Chatra Marg and House Lane. School Chatra Marg Health Lane Fire Station Pool Lake Street Main Street Home Library Park Hospital House Lane River Lane Sand River Activity 4 : Draw the nets given below on coloured sheets by taking each side of the triangle as 3cm, and try to form the shapes shown in front of it. Count the number of edges, faces and vertices in ends and verify the Euler’s formula. (a) 4 equilateral triangles (b) (c)
- (d)2 squares and 8 triangles (e) 2 pentagons and 10 triangles (f) 6 squares and 8 triangles (g) Activity 5 : Guess who am I? My name is given in the box below. Oops! Spelling of my name is jumbled up. Try to identify it from the clues given below and write it in the blank space. (1) I am a polyhedron with least number of faces. ________ (2) I am a prism whose all faces are square. ________ (3) Looks like marbles but have no vertex. ________ (4) I am a solid whose base is polygonal and other faces are triangles. ________ 6. Draw the map of your locality, showing the details of your sector/ block. Also highlight the appropriate landmarks which will help your friend to locate your house in your sector/block. Activity 7 : Crossword Puzzle Answer the following based on the hints given below. Across 1. Polyhedron whose lateral faces are parallelograms. 2. Prism having fifteen edges. 5. Another name for a square prism. 7. Polyhedron made up of four triangles. 9. Polyhedron made up of convex polygons. Down 2. Polyhedron whose lateral faces are triangles. 3. In a solid shape, the line segment joining two vertices not lying on the same face. 4. A 3-D shape having no vertex. 6. A solid figure having only one vertex. 7. Number of pentagons in a pentagonal prism. 10. Point where edges of a solid shape meet. UNIT-6 3. 2. 1. 4. 6. 10. 5. 7. 8. VISUALISING SOLID SHAPES 211 MATHEMATICS Rough Work