Your high-energy crew, plus a slew of awesome happenings is the perfect equation for a weekend full of fun, starting with the country’s first-ever math festival for all ages (we promise, it’s WAY more exciting than it sounds). You can also shop ’til you drop at a super consignment sale, check out a one-day Dr. Seuss musical, or sit on the dock of the bay (er, Kent Island) and watch the boats.

National Math Festival

Photo: Mathematical Sciences Research Institute via Facebook

National Mall

Count the Fun at the National Math Festival
Number nuts get your calculators and protractors ready because the first ever National Math Festival will feature Houdini-like getaways, magic numbers (pun intended), and a scavenger hunt. Sat., 10 am-4 pm. National Mall. Free. All ages. Event Details.

Greenbelt

Stock Up at the Wee-Sale
If you’re looking for it, you’ll probably be able to find it at this ginormous seasonal children’s consignment sale. Toys, nursery items, car seats, high chairs, strollers, cribs, sporting equipment, pack-n-plays, kids furniture…well, you get the point. Want first dibs? Consider consigning or volunteering so you can shop early. And word to the wise: leave kiddos at home so that you can concentrate on sifting through the massive selection. Fri.-Sun. Greenbelt. Free. Event Details.

Gaithersburg

Score Mother’s Day Swag at Sugarloaf
If your mini is into arts and crafts pen the Sugarloaf Craft Festival into your calendar. In addition to live entertainment and yummy food, more than 500 crafters will be displaying and hawking their handmade wares (from jewelry and wood to clothing and sculpture). Fri.-Sun. Gaithersburg. Free. All ages. Event Details.

Lorton

Welcome to Whoville
The Northern Virginia Players will transport audiences from the Jungle of Nool, to Whoville in their production of Seussical, Jr. The Cat in the Hat tells the story of Horton, an elephant who discovers a speck of dust containing tiny people called the Whos. Horton not only must protect the Whos from danger, but must also guard an abandoned egg that’s been left in his care by Mayzie La Bird. Will Horton succeed? You’ll have to see to find out. Fri. Lorton. $12Event Details.

Kent Island

Rock the Boat
Kick off boating season with your brood at the Bay Bridge Boat Show featuring hundreds of boats (think: kayaks, canoes, inflatables, and day sailers…oh my!). Little ones will love the face painting and moon bounce area, while your bigger kids won’t want to miss the fly fishing and casting lessons. If there’s a chef in your fam, stop by the Eastern Shore style grilled fish cooking demonstration tent. Fri.-Sun. Kent Island. $12; free/kids under 12. All ages. Event Details.

Bethesda

Book Worms Unite at the Bethesda Literary Festival
If kiddo is the type to sneak off at bedtime to read a book, this event is for her. The annual lit fest features a youth writing contest, a meet and greet with local children’s authors and fun, interactive story times. Fri.-Sun. Bethesda. Free. All ages. Event Details.

What is on your weekend to-do list? Tell us in the comments section below.

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–Ayren Jackson-Cannady