Join Billy, Lisa and Tom in discovering the model method through their many fun and exciting activities!
This is both a storybook and a workbook!
Available in
Book 1: Addition and subtraction within 10
Book 2: Addition and subtraction within 20
Book 3: Challenge Exercise
Preschoolers Maths Problem Sums
HK$92.00 一般價格
HK$84.64促銷價格
2/2 截單，6-10/2 發貨
