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- ぐんぐん覚えて算数が好きになる31項 ウケるゴロ合わせ 算数編...
ぐんぐん覚えて算数が好きになる31項 ウケるゴロ合わせ 算数編
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- ＼中学受験の算数には必須！？／ テストが10分速く解ける！ 覚えるだけで差がつく数字のゴロ合わせ 実は中学受験の算数には「よく出る数字」があります。 たとえば小数と分数の相互変換や平方数。 円周率や素数、立法数。 あるいは秒速、分速、時速の変換。 これらを出てくるたびに計算したり、 思い出していたら時間もかかるし、ミスも多くなる。 そのため一部の有名進学塾では 計算問題でよく出る数字は丸暗記が推奨されているんです。 丸暗記して数字がスラスラ出てくるようにしておけば、 ひらめき力や検算スピードが一気に向上するのがその理由。 そこで使えるのが「いろいろ煮込む」（16×16=256）といった「ゴロ合わせ」！ 本書では「覚えておかないと損」な算数の数字を一冊にまとめ、 それを楽しいマンガと一緒にゴロ合わせで覚えてしまえます。 0.125を「125/1000」にして、分母と分子を5で割って… とやらずに「0.125イコール1/8！」と瞬時に答えられるようになれば 算数は得意になってくること請け合いです。 【目次】 分数・小数の章 円周率の章 素数の章 平方数の章 三角数の章
| Publisher | 文響社 |
| Publication date | February 6, 2025 |
| Print length | 112 pages |
| ISBN-10 | 4866518928 |
| ISBN-13 | 978-4866518923 |
| Item Weight | 160 g |
| Dimensions | 7.4 x 5.04 x 0.39 inches (18.8 x 12.8 x 1 cm) |
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