2桁かけ算 #3

DW2

Platform: Android
App ID: com.kakezan3.kakezan3
Price:
Category: Educational
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Description

2桁の掛け算が暗算でできたら日常生活でも役立つ場面は意外とたくさんあります。頭が柔らかく何でも吸収しやすい小学生のうちに2桁の掛け算を暗算しておくことも、後の大きな財産となるはずです。「2桁かけ算」はシリーズで、すべての2桁の組み合わせを暗算で計算できるようになることを目指します。組み合わせにもいくつかのパターンがあり、今回の「2桁かけ算 #3」はその第3弾です。九九を知っている人なら誰でもその日のうちに習得することが可能なレベルです。最終的にすべての組み合わせの暗算を習得するまでにはそれなりに訓練が必要ですが、クイズアプリで反復することによって、場所を選ぶことなく遊び感覚で算数脳を鍛えることができます。また、計算アプリにありがちなテンキー入力ではなく、正解を選択肢から選ぶだけのシンプルな形式にしましたので、入力の手間も省けます。小学生から社会人まで、幅広い方にご活用いただけるアプリです。「2桁かけ算 #3」では、「片方または両方の数がゾロ目」である組み合わせの掛け算を暗算でできるように訓練します。解法は少しややこしくなりますが、慣れればそう難しくはありません。①「ゾロ目の一の位」×「他方の数」②上記①をもう1つ用意し1桁左に配置答え:①と②を縦に足す。例)33×52①3×52=156②3×52=156(①の1桁左に配置)答え:1716  =「1」&「1+5」&「5+6」&「6」やり方がわかったら後は習得できるまでひたすら訓練しましょう。それだけで自ずと算数脳が発達し、生活の中で「物事を数字でとらえる」ことも少しずつできるようになるはずです。Scene two-digit multiplication is useful in everyday life when you're in mental arithmetic There are surprisingly a lot.It is also, it should be a great asset after to keep mental arithmetic the two-digit multiplication in one of the elementary school, which is easy to absorb anything soft and head."2-digit multiplication" in the series, we aim to be like a combination of all of the two-digit can be calculated by mental arithmetic.There are several patterns in combination, this time of "two-digit multiplication # 3" is the third installment.Anyone who knows the ninety-nine is anyone level that can be learned on the same day.In until you finally master the mental arithmetic of all the combinations you need training in its own way but, by repeating in a quiz app, you can train your math brain in the sense of play without choosing a location.In addition, rather than the all-too numeric keypad input to the calculation application, that it has a simple format of just pick the correct answer from the choices, saves also time of input.From elementary school students to adults, it is an application that can take advantage in a wide range of people.In the "two-digit multiplication # 3", "the number of one or both repdigit" and training so that it can be in the mental arithmetic multiplication of the combination is.Solution will be a little tricky, but it is not so difficult if you get used to it.① "repdigit of one place," × "the other number."② ① above and the other one prepared placed one digit to the leftAnswer: plus the ① and ② vertically.Example) 33 × 52①3 × 52 = 156②3 × 52 = 156 (arranged in one digit to the left of ①)Answer: 1716= "1" and "1 + 5" and "5 + 6" and "6"Let's earnestly training to can learn after Once you know the way.It only math brain develops naturally, "taken in a number of things" in life that also you should be able to little by little.

Publisher: DW2

Number of Apps: 5, including
Latest Update/Release: 768 days ago

Rating:

5.0
Based on 1 ratings

Last Update

1.0
Released July 30, 2016

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Firmographic Data

Ranked #66 in JP Top Paid Educational (Games)

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