Please see the below videos for ways to support addition and subtraction for Year 1 at home. Try out the strategy you feel most confident in.
In Year 1, children are taught to:
So please do not feel like you to have to go into higher 2 digit numbers as this is covered in Year 2. Focus on becoming confident with numbers to 20, recognising number bonds and building up the confidence using different strategies.
Numberlines are easy to draw yourselves and use what counting resources you have around the house. You can use counters, playdough blobs, coins and even small toys/figurines.
I hope you find these useful.