How do percentages work? What’s a “percent”? How can you understand sale prices and loans and stuff if you don’t know? See, this stuff’s important. And Danica McKellar can explain it all on the latest edition of the Nerdist Channel’s Math Bites. Not only will you get the rundown on how to calculate percentages and understand decimals, but you’ll also get valuable insight on the eternal pancakes vs. waffles debate.

Actually, pancakes would taste pretty good right now. You got syrup?

Follow Danica on Twitter! And watch all the episodes of Math Bites here! While you’re at it, buy Danica’s books here, because they’re good.

Subscribe to the Nerdist Channel and play the percentages.