Go to https://whiterosemaths.com/homelearning/year-6/ and watch the video for lesson 3 on ratio.
Have a go at the questions for lesson 3: https://wrm-13b48.kxcdn.com/wp-content/uploads/2020/homelearning/year-6/Y6-Spring-Block-6-WO3-Introducing-the-ratio-symbol-2019.pdf
Here is a clue for question 8 - draw a bar model to represent the fractions of the box of chocolates. This will help you to see what each ratio represents.
If you are feeling confident with ratio, have a go at the questions below. I will upload the answers later on this evening for you to self-assess.