This little book has times tables from 1 to 20 with 12 rows of multiplication. That is all children should ideally learn This book is suitable for children from the ages of pre-school and upwards. They can memorize the tables then test it afterwards. There is no magic formula for learning the times tables, they must do it the hard way which is to memorize them by heart. It will take months so there is no need for parents to get upset and panic if they aren't able to memorize it in an instance. Remember each child is different. Just ask your child to memorize these times tables one by one.