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Clean Your Whiteboards With Toothpaste

As a teacher, there's nothing more annoying than a whiteboard that's not longer white. The stains can be extremely irritating and ruin your lessons, and you might assume that there's no way to solve it. But there's a teacher hack for that - and it involves some toothpaste! Of course, you can pick this up very cheaply at the dollar store, and all you need to do is wipe it over your whiteboard with a cloth.

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The mildly abrasive nature of this toothpaste should be able to cut through the stains. But if that doesn't work, you could also try a mixture of water and white vinegar.