Our Circle Friend Counts Happy Beads !

ISBN-13: 9781495221897 / Angielski / Miękka / 2014 / 54 str.

Wingfield McGowan

Opis

This book introduces abacus counting with a simple old-fashion rhyme. We hope children may become quite speedy at counting and subtracting on the abacus since it allows them to understand math as counting real objects, increasing memory and making math operations easier and faster.