KS2 Primary Maths Age 9-13 - Percentages: - Explained

The video tutorial explains how to calculate percentages of children liking different colors. It starts with a breakdown of percentages for red, blue, and green, and then calculates the percentage for orange and yellow. The tutorial also demonstrates how to find 12% of 200 children who like blue, using basic arithmetic without a calculator. It concludes with tips on handling percentages and ensuring they add up to 100.

If 25% of children like red, 12% like blue, and 60% like green, what percentage of children like orange?

• 3%

• 5%

• 2%

• 1.5%

How do you calculate the percentage of children who like orange and yellow if they are equal?

• Subtract the remaining percentage from 100

• Multiply the remaining percentage by 2

• Divide the remaining percentage by 2

• Add the remaining percentage to 100

Given 200 children, how many children like blue if 12% of them do?

• 30

• 24

• 36

• 20

What is the first step in calculating 12% of 200 without a calculator?

• Find 10% of 200

• Find 5% of 200

• Find 15% of 200

• Find 20% of 200

Why is it important to ensure all percentages add up to 100?

• To make the problem easier

• To ensure all options are covered

• To avoid errors in calculations

• To simplify the process