Today children are looking at number bonds to 20. Use the screens to help you understand how we might use Numicon to find number bonds to 20.
Use this game and select 'make 20' to test children's understanding.
https://www.topmarks.co.uk/maths-games/hit-the-button
Encourage children to use their knowledge of number bonds to 10 to help them with number bonds to 20.
Extension: we have attached a counting in 10s sheet to help you practice this.