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

The video tutorial explains how to calculate percentages, focusing on finding 10% of a number by removing a zero. It then demonstrates how to use this method to find 35% by combining 10% and 5%. The tutorial concludes with a step-by-step calculation to arrive at the final answer of 112 for a given question.

What is the quick method to find 10% of a number?

• Subtract 10 from the number

• Add 10 to the number

• Multiply the number by 10

• Divide the number by 10

If 10% of a number is 32, what is 5% of the same number?

• 8

• 60

• 32

• 16

How do you calculate 35% of a number using 10% and 5%?

• Multiply 10% by 4 and subtract 5%

• Add 10% twice and 5% twice

• Multiply 10% by 3 and add 5%

• Add 10% three times and 5% once

What is the sum of 32 + 32 + 32 + 16?

• 108

• 112

• 100

• 120

What was the final answer for the percentage question discussed?

• 100

• 112

• 120

• 132