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I have 2 sons, and I saw how difficult is to build a clear explanation to them. I must quickly build a way to explain: 3x + 2x = (x + x + x) + (x + x) = 5x, and

by neves 8y ago

I have 2 sons, and I saw how difficult is to build a clear explanation to them. I must quickly build a way to explain: 3x + 2x = (x + x + x) + (x + x) = 5x, and it is not easy. If I hesitate, they get bored and don't want to study anymore. That's why Khan Academy is a so fantastical resource. They really build a very clear explanation of the concepts. Every teacher should watch it before classes.

hopler 8y ago
Try beastacademy.com It's not free but it's an amazing comic book textboom and fun instersting challenging problems for kids. Buy the books and share them with your neighbors, and share an online account if you can't afford your own.