Scale drawing - Part 2

=Activity - Scale Drawing - Part 2=

Estimated Time
45 minutes

Materials/ Resources needed
Graph sheets, scale, pencil,

Prerequisites/Instructions, if any

 * 1) The students should have knowledge about scale drawing.
 * 2) They should know about scale factor.
 * 3) They should understand that a scaling factor should be maintained as constant throughout the sketches.
 * 4) Students should be able to read and understand a scaling factor.
 * 5) They should be able to find a scaling factor and create a scale drawing.
 * 6) The activity on using standard measuring instruments should be done prior to this activity.
 * 7) The students should have been introduced to area, calculations and unit conversions.

Process

 * 1) In the above blue print each individual unit is 4 feet.
 * 2) Explain the meaning of 1 unit.
 * 3) Each ceramic tile costs Rs 80 per square foot.
 * 4) How much would it cost to tile the bathroom ?
 * 5) How much would it cost to tile Kitchen, Living room and bedroom?

Developmental Questions

 * 1) Along with knowing the length and width of the scale model, what additional information do you need to know ?
 * 2) What is the scale factor here.

Evaluation

 * 1) What is 1 unit in the given blue print.
 * 2) What does '1 unit = 4 feet mean' ?
 * 3) What are the actual dimensions of each room ?

Question Corner

 * 1) What all factors do you need to know to estimate the painting costs for each of the rooms.
 * 2) Write down the sequential steps for the calculations.

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