Nice Competition Math Problem

FunMathBot: Math Problems for fun:
Math Education for High School kids. These are solutions to problems based on common math subjects like Number Theory, Algebra, Trigonometry, Geometry, Co-ordinate Geometry etc. taught in any high school. Most of these problems are taken from Math Olympiad, AMC, Varsity Math Tournament and other competitions.
The problems are uploaded and explained by a very experienced teacher.
Ask your school going kids to watch these videos to improve their math skills.