https://whiterosemaths.com/homelearning/year-6/
Follow this link and go to the 'Week 1' tab to complete the lessons and activities on...
Lesson 4 - Calculating Ration
Lesson 5 - Using scale factors
In the 'Week 2' tab complete the lesson and activities on...
Lesson 1 - Calculating scale factors
Lesson 2 - Ration and proportion problems
https://myminimaths.co.uk/year-6-arithmetic-practice-paper-week-2/
Have a go at this arithmetic challenge. The answers are available on the website too!