ISBN-13: 9780713685916 / Angielski / Miękka / 2007 / 32 str.
ISBN-13: 9780713685916 / Angielski / Miękka / 2007 / 32 str.
Mental maths skills are essential for all age groups and this series of six books provides lots and lots of practice of number facts to make sure children are really up to speed with their mental maths!