一昨日の5年3組に続き、今日は5年2組が同じ内容の算数の授業を公開しました。直方体が組み合わさってできた凸凹した立体の体積を求める学習です。
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
4年生に学習した面積の求め方がヒントになりそうです。
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/jquery-image-lazy-loading/images/grey.gif?resize=584%2C438)
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![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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まずは、一人で個人追究です。iPadを使って自分の考えをまとめます。手書きをする子、キーボードで入力する子、ヒントをみて考える子など、様々です。
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/uploads/2022/06/300D0797-15F8-4ACF-896D-5ECBBF5F9225.jpeg?resize=584%2C438)
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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3人で少人数交流。iPadにまとめた自分の考えを示しながら互いに説明します。
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/jquery-image-lazy-loading/images/grey.gif?resize=584%2C438)
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![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/jquery-image-lazy-loading/images/grey.gif?resize=584%2C438)
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/uploads/2022/06/D8A595F6-6B33-4024-94B6-067914B07AB0.jpeg?resize=584%2C438)
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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全体交流。みんなの前で自分の考えを発表します。
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/jquery-image-lazy-loading/images/grey.gif?resize=584%2C438)
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各自の考えは大型モニタで色分けされて示されています。
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/jquery-image-lazy-loading/images/grey.gif?resize=584%2C438)
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まとめ〜力試しの問題にチャレンジ
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/jquery-image-lazy-loading/images/grey.gif?resize=584%2C438)
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![](https://i0.wp.com/school.city.tajimi.lg.jp/takiro/wp-content/plugins/lazy-load/images/1x1.trans.gif)
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来週は、同じ学習を5年1組が公開します。
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