GCSE Secondary Maths Age 13-17 - Number: Percentages - Explained

The video tutorial explains how to convert the decimal 0.8 into a fraction and then into a percentage. It starts by identifying 0.8 as 8 tenths, highlighting the place value of the digit 8 in the tenths column. The tutorial then demonstrates converting this fraction into a percentage by multiplying by 10, resulting in 80%.

What is the fraction form of the decimal 0.8?

• 8/10

• 4/5

• 1/8

• 2/5

In which column is the digit 8 placed when converting 0.8 to a fraction?

• Hundredths

• Tenths

• Units

• Thousandths

What operation is performed to convert the fraction 8/10 into a percentage?

• Subtract 10

• Multiply by 10

• Add 10

• Divide by 10

What percentage does the fraction 8/10 represent?

• 100%

• 80%

• 10%

• 8%

If you multiply 8 by 10, what result do you get?

• 8

• 80

• 18

• 800