Lesson 2 from the White Rose hub is all about Number Fact Families. Watch the video and have a go at the activities! https://whiterosemaths.com/homelearning/year-1/. After, you could play the interactive game below.
Interactive game
https://www.topmarks.co.uk/number-facts/number-fact-families When playing this game click on the
'+ and -' up to 10 option. See how many different number sentences you can make.