Understanding Percentage Calculation Strategies

What is the main advantage of using the fractions multiplication approach when calculating percentages?

• It avoids the use of decimals.

• It is faster than using a calculator.

• It simplifies calculations when the denominator is a factor of the number.

• It always results in a whole number.

Why might the fractions method not work well for finding 25% of 49?

• Because 49 is not a multiple of 25.

• Because 4 is not a factor of 49.

• Because 49 is an odd number.

• Because 25% cannot be expressed as a fraction.

What is the first step in the decimal conversion strategy for calculating percentages?

• Convert the percentage to a decimal.

• Multiply the percentage by 100.

• Convert the percentage to a fraction.

• Divide the percentage by the number.

In the decimal method, how do you determine where to place the decimal point in the final answer?

• By estimating the size of the number.

• By using the number of decimal places in the percentage.

• By counting the decimal places in the original number.

• By using a calculator.

What is the result of calculating 4% of 39 using the decimal method?

• 1.56

• 15.6

• 0.156

• 156