Understanding Ratios and Proportions

This video tutorial covers various aspects of ratios, including basic concepts, combining ratios, and solving problems involving ratios. It provides examples such as sharing sweets and money using ratios, and explores advanced problems with different methods to solve them. The tutorial aims to enhance understanding of ratios through practical examples and exercises.

What is the initial ratio of red counters to green counters?

• 5 to 2

• 2 to 3

• 2 to 5

• 3 to 2

How do you make the green counters equal in both ratios?

• Multiply both by 3

• Multiply one by 2 and the other by 3

• Multiply one by 5 and the other by 2

• Multiply both by 5

What is the combined ratio of red to green to yellow counters?

• 15 to 10 to 4

• 10 to 15 to 4

• 15 to 4 to 10

• 10 to 4 to 15

In the example problem, what is the ratio of A to B?

• 2 to 5

• 5 to 2

• 3 to 1

• 1 to 3

What is the final combined ratio of A to B to C?

• 6 to 2 to 15

• 15 to 2 to 6

• 6 to 15 to 2

• 15 to 6 to 2

How many more sweets does B get than C?

• 16

• 4

• 8

• 12

If one part is worth 2 sweets, how many sweets does A get?

• 10

• 20

• 28

• 14

What is the ratio of the amount A gets to the amount B gets?

• 5 to 4

• 4 to 5

• 2 to 3

• 3 to 2

How much money does C get if each part is worth 8 pounds?

• 32 pounds

• 40 pounds

• 56 pounds

• 48 pounds

What proportion of all people at the event are children over 12?

• 4/25

• 3/10

• 2/5

• 1/5