In the newest installment of the Sir Cumference series, join the gang for more wordplay, puns and problem solving as their clever math adventure introduces the concept of rounding numbers.
Cindy Neuschwander
英文書
Wayne Geehan
4 - 8
圖畫書, 系列
數字/數學, 文字遊戲, 概念教授, 歷史
