Wipe-Clean Adding and Subtracting 7-8

Part of the Usborne Key Skills series that supports the maths lessons children learn at school, this book is filled with activities that help children understand the value of each digit in a number (place value), and provide practice in adding and subtracting 2-digit and 3-digit numbers in columns.

Parte a seriei Usborne Key Skills care sprijina lectiile de matematica pe care copiii le invata la scoala, aceasta carte este plina de activitati care ii ajuta pe copii sa inteleaga valoarea fiecarei cifre dintr-un numar (valoarea locului) si ofera exersare in adaugarea si scaderea a 2 cifre. si numere din 3 cifre in coloane.