Are you making this simple mistake on percentage problems?

Students make 1 simple mistake on the harder percentage problems. It's easy to fix, and I'll show you 2 ways to work with these problems.

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Check out this great new feature on our redesigned website.

Should you prepare for the PSAT?

After students get their PSAT scores back, they don't always get a lot of direction about what to do next. If you're lucky, your school might host a meeting to go over what the scores mean, but most schools are overburdened with other things.…