Understand the Ratio of 1:2

This activity is all about the ratio 1:2

 

Example

 

EVA

DALIA

 

 

For every 1 sweet Eva has, Dalia has 2.

For every 3 sweets Eva has, Dalia has 6.

 

Complete:

For every ?  sweets Eva has, Dalia has 18.

 

 

Answer

Eva has half as many sweets as Dalia.

So Eva has 18 ÷ 2 = 9 sweets

 

Does that make sense?

 

In this activity, we are going to have a go at answering questions like the one above.

 

You can look back at this page at any point by clicking on the red help button on the screen.

 

Let's get started.