ISBN-13: 9780367159009 / Angielski / Miękka / 2020 / 134 str.
ISBN-13: 9780367159009 / Angielski / Miękka / 2020 / 134 str.
This book illuminates the progress of children's ideas about numbers in a way that would make clear both how it is that young children know as much as they do and how it is that they often have so much trouble with mathematics.