FTCE Pre-K Prekindergarten PK-3 Practice Exam

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A decimal can be converted to a percent by what?

  1. Adding two to the decimal

  2. Subtracting one from the decimal

  3. Moving the decimal point two places to the right

  4. Doubling the decimal value

The correct answer is: Moving the decimal point two places to the right

Moving the decimal point two places to the right is the correct way to convert a decimal to a percent. This process works because a percent represents a portion out of 100. For example, if you have a decimal like 0.75 and you move the decimal point two positions to the right, it becomes 75, which represents 75 out of 100, or 75%. The other methods listed are not valid ways to convert a decimal to a percent. For instance, simply adding two, subtracting one, or doubling the decimal value does not correctly relate the decimal to its percent equivalent. Understanding the relationship between decimals and percents is important for accurate conversions and calculations.

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