تفاصيل الكتاب
تنسيق
غلاف ورقي
صفحات
24
لغة
الإنجليزية
منشور
Oct 1, 2010
الناشر
Crabtree Classics
رقم ISBN-10
0778767949
رقم ISBN-13
9780778767947
الوصف
Betsy helps out at Aunt Essie's Downtown Diner. Supplies, such as straws, are packed in groups of ten. Betsy breaks up tens and make tens as she helps set up and clean up. Read about the restaurant where Betsy learns about regrouping. See how regrouping helps in addition and subtraction.