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EntityQ206049· pop 69· linked from 114 articles

九九

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Also known as times table

乗算を効率よく暗記するための方法

AI overview

A multiplication table is a grid showing the results of multiplying numbers together, typically displaying how many times one number should be added to itself when combined with another number. Learning multiplication tables is useful because it helps people quickly recall basic math facts needed for faster mental calculation and more advanced mathematical work.

AI-generated from the Wikipedia summary — may contain errors.

In the Vinony graph

Vinony's link graph records 114 inbound references to 九九, and connects out to mathematics, Pythagoras and International Standard Book Number.

It is catalogued under topics including Mathematical tables, Mathematics education and Multiplication.

Vinony links it to 66 Wikipedia language editions.

Wikidata facts

Instance of: table
Subclass of: mathematical table
Image: A treatise of arithmetic Fleuron T051624-1.png
Has use: mathematics education

Show 3 more facts

Commons category: Multiplication tables
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
maintained by WikiProject: WikiProject Mathematics

Sources (1)

wikidata.org

via Wikidata · CC0

Article · 日本語

算数における九九（くく）とは自然数の乗法などの計算を表にまとめて語呂よく暗記する方法のことである。足し算九九や引き算九九や掛け算九九や割り算九九があるが、単に九九という場合は、普通1桁同士の掛け算九九を指す。また除数が1桁の割り算九九を八算（はっさん）、二桁を見一などという。

Abstract from DBpedia / Wikipedia · CC BY-SA

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Categories

Mathematical tables Mathematics education Multiplication