算数「駄菓子やさんをつくろう！vol.2」

2020年に開催し、大人気だった駄菓子屋運営の算数回！

・親子で１つの駄菓子屋として問屋から商品を仕入れ、価格を設定。
・駄菓子屋の名前を決め、看板やプライスカードなど作る。
・親子ごとに店舗を運営！売買してもうけを数え、よかったところを講評。

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