8.1.13 World Populations

This activity will require the use of a calculator.

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Activity symbolActivity: Different Nationalities

In 2011 it was estimated that 1 in 6 of the world’s population were living in India and 1 in 23 were living in the USA.

Convert these values to percentages using your calculator to make them easier to compare.

Solution symbol

Answer

1 in 6 is the fraction one divided by six. In percentages, this becomes open one divided by six close multiplication 100 percent almost equals 17 percent.

1 in 23 is the fraction one divided by 23. In percentages, this becomes open one divided by 23 close multiplication 100 percent almost equals four percent.

Note here that we have rounding to the nearest whole number as population figures are necessarily estimates.

8.1.12 To Write One Number as a Percentage of Another