数学動画講座中1(数量編)

Video learning middle school mathematics example explanations and practice problems

It is a learning app with lesson videos and practice problems of positive and negative numbers, letter formulas, equations, proportional and inverse proportions of 1st year junior high school mathematics.

After seeing how to solve example problems in videos, you can check whether you have acquired knowledge by solving similar problems yourself. You can overcome your weak areas by repeatedly watching videos and solving similar problems until you get all the answers correct.