Once your child has learned to count and recognise numbers to 20 (see Book 7), and has learned to add and take away to 10 (see Book 5), they can then learn to focus on adding and subtracting with totals of up to 20.
In Excel Maths Early Skills: Add and Take Away to 20, your child will:
The activities in each book are divided into double pages. Each double page allows your child to practise one particular skill many times so that the skill is reinforced. There is a hidden picture in the border of every double page - your child will love looking for it!