Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
How do you hone your child’s math skills? You give plenty of drills, of course! But these drills have to be equal parts challenging and motivating. Plenty of math exercises have been created over the years and one of the most popular among children are the Math Sum Puzzles. This book presents the perfect opportunity to give the game a try!