Japan's Top Inventions - Season 3 - Eps 7: Worksheet Study Method
The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, the worksheet study method known as "Kumon." Invented in 1958 by math teacher Kumon Toru for his son, the method involves self-study with math problems printed on worksheets. Using the sheets, learners improve their academic ability in small steps. Today the method is used by over 4 million students in 57 countries and regions. Dive into the little-known story behind this method.
About Japan's Top Inventions

Title: Japan's Top Inventions
First Air Date: 2018-03-18
Last Air Date: 2025-03-29
Status: Returning Series
Rating: 0/10 (from 0 votes)
Language: EN
Seasons: 8
Total Episodes: 93
Network: NHK WORLD-JAPAN
Genres: Documentary
Production Companies: NHK, Japan International Broadcasting (JIB)
Synopsis
Japanese inventions are used and loved around the world. Through interviews and reenactments, go behind the scenes and discover how Japanese craftsmanship brought these top inventions into being.