Sir Cumference and the First Round Table: A Math AdventureTurtleback, 2002 - 32 trang Sir Cumference, his wife, Lady Di of Ameter, and their son Radius use different geometry and problem-solving techniques to help King Arthur. Full color. |
Sir Cumference and the First Round Table: A Math AdventureTurtleback, 2002 - 32 trang Sir Cumference, his wife, Lady Di of Ameter, and their son Radius use different geometry and problem-solving techniques to help King Arthur. Full color. |