Converting Percentages and Decimals

The video tutorial explains how to calculate a percentage of a percentage by using multiplication. It starts by converting percentages into fractions, then multiplies these fractions. The resulting fraction is simplified by removing zeros from both the numerator and the denominator. Finally, the simplified fraction is converted into a decimal by moving the decimal point two places to the left, resulting in the final answer.

What is the first step in finding 1% of another percentage?

• Subtract the smaller percentage from the larger one

• Divide the percentages

• Multiply the percentages

• Add the percentages together

When calculating 70% of 80%, what operation does 'of' represent?

• Division

• Addition

• Subtraction

• Multiplication

How is 70% expressed as a fraction?

• 7/100

• 7/10

• 70/10

• 70/100

What is the fraction form of 80%?

• 80/10

• 8/100

• 80/100

• 8/10

What is the result of multiplying 70/100 by 80/100?

• 5,600/10,000

• 56/100

• 560/1,000

• 5.6/10

How can you simplify the fraction 5,600/10,000?

• By multiplying by 10

• By dividing by 10

• By adding zeros

• By removing zeros

What is the simplified form of 5,600/10,000?

• 56/10

• 0.56

• 5.6/10

• 56/100

How do you convert 56/100 into a decimal?

• Add two zeros

• Move the decimal point two places to the left

• Subtract two zeros

• Move the decimal point two places to the right

What is the decimal equivalent of 56/100?

• 5.6

• 56.0

• 0.56

• 0.056

What is the whole number result of converting 0.56?

• 56

• 560

• 0.56

• 5.6