Get your kids excited by learning and solving problems! The app is full of fun games that can help your child's skills and confidence grow through play.
🎄 Watch our new Christmas video! 🎄
youtu.be/kzyxSjoL-OM
In our new Christmas video, we talk about bags of gifts.
Two gift bags are the same if they contain exactly the same things, no matter the order.
So {train, doll, candy} is the same as {candy, train, doll}.
One of our best videos yet. We count how many candles one needs for all days of Hanukkah using an addition strategy. Happy Hanukkah!
youtu.be/GmQ8RiA3BKE?si…
Chickpeas and toothpicks — that’s all you need to build polyhedra!
Soak the chickpeas for 12 hours; they become perfect vertices for toothpick edges. You’ll get beautiful polyhedra with triangular faces: tetrahedrons, octahedrons, and icosahedrons.
Cubes and dodecahedrons are