Page 23 - Start Up Mathematics_5

3. A billion (1,000,000,000) is a thousand million. How much money equals half a billion
rupees?

(a) Five hundred million rupees (b) Five hundred thousand rupees
(c) Five million rupees

INDIVIDUAL ACTIVITY

To check the understanding of number names and ordering of 9-digit numbers

Things We Need: A pencil
How To Do: Using the internet, write the population of the given countries. Take the data
from the statistics of the year 2012.

Country Population
United States

Japan
Russia

Nigeria
Brazil

Now, do as directed.
(a) Write the populations in both Indian and International system of numeration.

(b) Arrange the populations in ascending order.
(c) Discuss the disadvantages of high population.

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