GCSE Maths - How to Find a Percentage of a Number #92

The video tutorial explains how to calculate percentages of a number using different methods, including using a calculator, converting percentages to decimals, and converting percentages to fractions. It provides examples of calculating percentages both below and above 100% and discusses how to solve complex percentage problems in exams. The tutorial emphasizes understanding the equivalence of percentages, decimals, and fractions.

What is the first step in converting a percentage to a decimal?

• Add 100

• Subtract 100

• Multiply by 100

• Divide by 100

How can you express 20% as a fraction?

• 1/10

• 1/2

• 1/4

• 1/5

What is 36% of 250 using the decimal method?

• 100

• 85

• 90

• 95

Which of the following is equivalent to 145%?

• 1450

• 14.5

• 0.145

• 1.45

If 60% of a class are girls, what percentage are boys?

• 30%

• 40%

• 60%

• 50%

How many girls are in a class of 25 students if 60% are girls?

• 10

• 12

• 18

• 15

If there are 15 girls in a class of 25, how many boys are there?

• 12

• 10

• 8

• 5