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[cheerful upbeat music] ♪ - THANK GOODNESS FOR TODAY'S MATH LESSON. MATH IS SO IMPORTANT, BECAUSE WITHOUT IT, I WOULDN'T KNOW HOW MANY DAYS THERE ARE UNTIL MY BIRTHDAY. THERE ARE... 182 DAYS UNTIL MY ...

Subscribe! Want more math video lessons? Visit my website to view all of my math videos organized by course, chapter, and section. I make most of my math lessons in a live classroom and do no editing.