小3 理科 はかって くらべる（ひょうじゅん）

{"meta":{"grade":"小3","field":"理科","unit":"はかって くらべる","level":"ひょうじゅん","readAloud":["question","choices","hint","explanation"]},"questions":[{"id":"e3-science-u10-s01b-q01","type":"choice","label":"はかって くらべる","question":"⚖️ 45gと60gで おもいのは？","choices":["60g","45g","どちらも同じ"],"hint":"同じたんいの 数を くらべよう。","explanation":"60は45より大きいので、60gの方が おもいです。"},{"id":"e3-science-u10-s01b-q02","type":"choice","label":"はかって くらべる","question":"🥣 入れものと土で100g、空の入れものは25gです。土だけは？","choices":["75g","125g","25g"],"hint":"入れものの分が 入った数から 分けよう。","explanation":"100−25＝75なので、土だけは75gです。","visual":{"kind":"geometry","showPoints":false,"points":[{"id":"p0_0","x":20,"y":40,"showLabel":false},{"id":"p0_1","x":200,"y":40,"showLabel":false},{"id":"p0_2","x":200,"y":105,"showLabel":false},{"id":"p0_3","x":20,"y":105,"showLabel":false},{"id":"p1_0","x":45,"y":10,"showLabel":false},{"id":"p1_1","x":175,"y":10,"showLabel":false},{"id":"p1_2","x":175,"y":30,"showLabel":false},{"id":"p1_3","x":45,"y":30,"showLabel":false},{"id":"p2_0","x":70,"y":55,"showLabel":false},{"id":"p2_1","x":150,"y":55,"showLabel":false},{"id":"p2_2","x":150,"y":85,"showLabel":false},{"id":"p2_3","x":70,"y":85,"showLabel":false}],"segments":[{"from":"p0_0","to":"p0_1"},{"from":"p0_1","to":"p0_2"},{"from":"p0_2","to":"p0_3"},{"from":"p0_3","to":"p0_0"},{"from":"p1_0","to":"p1_1"},{"from":"p1_1","to":"p1_2"},{"from":"p1_2","to":"p1_3"},{"from":"p1_3","to":"p1_0"},{"from":"p2_0","to":"p2_1"},{"from":"p2_1","to":"p2_2"},{"from":"p2_2","to":"p2_3"},{"from":"p2_3","to":"p2_0"}],"labels":[{"x":110,"y":70,"text":"100g","anchor":"middle"}],"alt":"数字で読むはかり。ひょうじは100g。"}},{"id":"e3-science-u10-s01b-q03","type":"choice","label":"はかって くらべる","question":"⚖️ ものをのせると 48g、50g、50gと かわりました。読むのは？","choices":["おちついた50g","のせる前の0g","はじめに一しゅん出た48gだけ"],"hint":"数字が あんていしたときを 見よう。","explanation":"手をはなし、数字がおちついてから 読みます。このきろくでは50gです。"},{"id":"e3-science-u10-s01b-q04","type":"choice","label":"はかって くらべる","question":"⚖️ 数字が かわりつづけるのに きろくしようとしています。先にするのは？","choices":["手をはなし あんていするまでまつ","すきな数字をえらぶ","さらをつよくおして 数字を止める"],"hint":"はかりやものが うごいていないか 見よう。","explanation":"手をはなして、あんていした数字になってから きろくします。"}],"cards":[{"id":"e3-science-u10-s01-card01","front":{"title":"おもさを 数で 読む","text":"⚖️ おもさは、もったかんじだけでなく、はかりで しらべられます。この 数字で読む はかりは80gを しめしています。gは グラムと 読む、おもさの たんいです。","visual":{"kind":"geometry","showPoints":false,"points":[{"id":"p0_0","x":20,"y":40,"showLabel":false},{"id":"p0_1","x":200,"y":40,"showLabel":false},{"id":"p0_2","x":200,"y":105,"showLabel":false},{"id":"p0_3","x":20,"y":105,"showLabel":false},{"id":"p1_0","x":45,"y":10,"showLabel":false},{"id":"p1_1","x":175,"y":10,"showLabel":false},{"id":"p1_2","x":175,"y":30,"showLabel":false},{"id":"p1_3","x":45,"y":30,"showLabel":false},{"id":"p2_0","x":70,"y":55,"showLabel":false},{"id":"p2_1","x":150,"y":55,"showLabel":false},{"id":"p2_2","x":150,"y":85,"showLabel":false},{"id":"p2_3","x":70,"y":85,"showLabel":false}],"segments":[{"from":"p0_0","to":"p0_1"},{"from":"p0_1","to":"p0_2"},{"from":"p0_2","to":"p0_3"},{"from":"p0_3","to":"p0_0"},{"from":"p1_0","to":"p1_1"},{"from":"p1_1","to":"p1_2"},{"from":"p1_2","to":"p1_3"},{"from":"p1_3","to":"p1_0"},{"from":"p2_0","to":"p2_1"},{"from":"p2_1","to":"p2_2"},{"from":"p2_2","to":"p2_3"},{"from":"p2_3","to":"p2_0"}],"labels":[{"x":110,"y":70,"text":"80g","anchor":"middle"}],"alt":"数字で読むはかり。ひょうじは80g。"}},"back":{"title":"分かることと 考え方","text":"80gは「80グラム」です。同じたんいなら、数が大きい方が おもいです。70gと80gなら80gの方が おもく、ちがいは10gです。今回のきろくは gに そろえて 読みます。","visual":{"kind":"geometry","showPoints":false,"points":[{"id":"p0_0","x":20,"y":40,"showLabel":false},{"id":"p0_1","x":200,"y":40,"showLabel":false},{"id":"p0_2","x":200,"y":105,"showLabel":false},{"id":"p0_3","x":20,"y":105,"showLabel":false},{"id":"p1_0","x":45,"y":10,"showLabel":false},{"id":"p1_1","x":175,"y":10,"showLabel":false},{"id":"p1_2","x":175,"y":30,"showLabel":false},{"id":"p1_3","x":45,"y":30,"showLabel":false},{"id":"p2_0","x":70,"y":55,"showLabel":false},{"id":"p2_1","x":150,"y":55,"showLabel":false},{"id":"p2_2","x":150,"y":85,"showLabel":false},{"id":"p2_3","x":70,"y":85,"showLabel":false}],"segments":[{"from":"p0_0","to":"p0_1"},{"from":"p0_1","to":"p0_2"},{"from":"p0_2","to":"p0_3"},{"from":"p0_3","to":"p0_0"},{"from":"p1_0","to":"p1_1"},{"from":"p1_1","to":"p1_2"},{"from":"p1_2","to":"p1_3"},{"from":"p1_3","to":"p1_0"},{"from":"p2_0","to":"p2_1"},{"from":"p2_1","to":"p2_2"},{"from":"p2_2","to":"p2_3"},{"from":"p2_3","to":"p2_0"}],"labels":[{"x":110,"y":70,"text":"80g","anchor":"middle"}],"alt":"数字で読むはかり。ひょうじは80g。"}}},{"id":"e3-science-u10-s01-card02","front":{"title":"はじめに 0を 見る","text":"⚖️ はかりを たいらで あんていしたところへ おき、何ものせず 数字が0gに なっているか 見ます。その後、ものをさらの まん中へ そっと のせます。"},"back":{"title":"分かることと 考え方","text":"何もないのに 数が出ていると、ものだけの おもさを 正しく読みとりにくくなります。0に 合わせるほうほうは はかりによって ちがうため、先生と たしかめてから はかります。"}},{"id":"e3-science-u10-s01-card03","front":{"title":"数が おちついてから","text":"⚖️ ものをのせて すぐは 数字が かわることがあります。手をはなし、はかりや ものが 止まるまで まつと、同じ数字で おちつきました。"},"back":{"title":"分かることと 考え方","text":"ものを 手でささえたり、さらをおしたりすると、はかりへ かかる力が かわります。何もさわらず、あんていした数字を 読んで きろくします。はかれるじょうげんをこえるものは のせず、先生と つかいます。"}},{"id":"e3-science-u10-s01-card04","front":{"title":"入れものを 分ける","text":"🥣 土と入れものを いっしょに はかると90g、空の入れものは30gでした。土だけの おもさを 知りたいので、入れものの分を 分けて考えます。"},"back":{"title":"分かることと 考え方","text":"90−30＝60で、土だけは60gです。また、空の入れものをのせてから0に合わせ、土を入れて読むほうほうもあります。どちらも、入れものの おもさを ふくめないように はかります。"}}]}