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

The video tutorial explains how to calculate 45% of 460 without using a calculator. It begins by finding 10% of 460, which is 46, and then calculates 5% by halving the 10% value, resulting in 23. To find 45%, the tutorial combines four 10% values and one 5% value, leading to a final answer of 207. The tutorial emphasizes the importance of understanding percentage calculations and provides a step-by-step approach to solving such problems.

What is 10% of 460?

How do you calculate 5% of a number based on the 10% value?

Explain the process of finding 45% of 460 using 10% and 5%.

Describe the method used to add the calculated percentages together.

What is the final answer when calculating 45% of 460?