Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Your first grader might ask you 'what’s the use of the long method?'. It’s not because they will use it as much in the future but because it’s a method that will question your child’s understanding of how arithmetic works. It basically breaks down the concepts in addition and subtraction to come up with solutions. Grab a copy today!