takehikom https://blog.hatena.ne.jp/takehikom/ わさっきhb https://takehikom.hateblo.jp/ 5×3 reprise 1. Nunokawa (2010) Nunokawa, K. (2010). Multiplication: introduction, 日本数学教育学会誌, No.92, Vol.11, pp.122-123. http://ci.nii.ac.jp/naid/110007994852 Students are required to clearly distinguish between multiplicands and multipliers at this stage because this distinction helps them understand the meanin… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakehikom.hateblo.jp%2Fentry%2F20130126%2F1359147548" title=" かけ算の式と言葉の順序 メモ - わさっきhb" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/t/takehikom/20130126/20130126165706.jpg Hatena Blog https://hatena.blog 2013-01-26 05:59:08 rich https://takehikom.hateblo.jp/entry/20130126/1359147548 1.0 100%