Page 188 - Maths Class 06

LAB ACTIVITY

Objective:

To develop the concept of direct proportion.

Materials Required:
4 bowls of clear glass.

52 marbles of different colours.

Procedure:
1. Keep the 4 bowls on a table as shown below:

2. Keep 4 marbles in each bowl as shown below:

3. Complete the obser vation table:

S.No. Number of Number of marbles Total number of x y: Simplest form of
bowls in each bowl ( )x marbles in 4 bowls ( )y x y:

1. 4 4 16 4 : 16 1 : 4

2. 4 8 32 8 : 32 1 : 4

3. 4

4. 4

5. 4

6. 4

4. It is observed that in each case x y: is constant.
This activity can be performed with varying numbers of marbles.

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