KS2 Primary Maths Age 13-17 - Ratio, Proportion and Algebra: Percentage Problems - Explained

The video tutorial explains how to solve percentage questions by first determining what 10% of a number is. It demonstrates that 10% is equivalent to dividing the number by 10. Using the example of 3000, it shows that 10% is 300. The tutorial then explains how to find 20% by doubling the 10% value, resulting in 600. This method is applied to solve a specific question, with the final answer being placed in the answer box.

What is the first step in solving a percentage problem?

• Divide the number by 100

• Find what 10% is equal to

• Subtract 10 from the number

• Multiply the number by 100

How do you calculate 10% of 3000?

• Subtract 10 from 3000

• Multiply 3000 by 10

• Divide 3000 by 10

• Add 3000 to 10

If 10% of a number is 300, what is 20% of the same number?

• 900

• 150

• 300

• 600

What is the relationship between 10% and 20% of a number?

• 20% is half of 10%

• 20% is double 10%

• 20% is the same as 10%

• 20% is triple 10%

Where is the final answer placed after calculation?

• In the answer box

• In the calculation box

• In the summary box

• In the question box