Understanding Ratios and Proportions

This video tutorial covers 11 plus maths topics, focusing on solving ratio word problems. It begins with an introduction to the video and its purpose, followed by two examples of ratio problems. The first example involves finding the ratio of boys to girls in a class, while the second example calculates the number of boys in a school given a ratio. The video concludes with a call to action for further learning and subscription.

What is the main focus of this video?

• Learning about algebra

• Improving English skills

• Mastering 11 plus exam techniques

• Understanding geometry

In the ratio word problem, how many students are in the lesson?

• 35

• 25

• 20

• 30

How many boys are there in the lesson?

• 15

• 10

• 18

• 20

What is the first step to find the number of girls in the lesson?

• Subtract the number of boys from the total students

• Divide the total students by 2

• Add the number of boys and girls

• Multiply the number of boys by 2

How many girls are there in the lesson?

• 12

• 10

• 14

• 16

What is the initial ratio of boys to girls before simplification?

• 18 to 10

• 18 to 12

• 18 to 14

• 18 to 16

What is the highest common factor used to simplify the ratio?

• 3

• 6

• 2

• 4

What is the simplified ratio of boys to girls?

• 5 to 4

• 4 to 3

• 2 to 1

• 3 to 2

In the new example, what is the given ratio of boys to girls?

• 2 to 3

• 3 to 4

• 3 to 5

• 4 to 5

How many people are there in the school in the new example?

• 130

• 120

• 110

• 100