
The Barista
A challenge that will really get those neurons firing! To get ready for a teaching day, what is your favorite drink: ☕❔ 🥛❔ ☕ ➕ 🥛 ❔Sonya challenges your students […]
Middle School Math Practice. Anytime, Anywhere. 3,000+ Problems Aligned with the Common Core State Standards. Follow us to discover one new activity per week!
A challenge that will really get those neurons firing! To get ready for a teaching day, what is your favorite drink: ☕❔ 🥛❔ ☕ ➕ 🥛 ❔Sonya challenges your students […]
Help Sonya choose the bin with the right marbles. Are you ready to take up the challenge? Sonya faces a shady marble salesman. Only one of the bins contains real […]
Let’s start the week with a little brain teaser! Sonya recently created a group for people who love math. The members are introducing themselves and shaking hands so that every […]
A new challenge in 6 levels! Sonya invented a machine that chooses a rule and applies it to all the numbers that we propose. Can you find the rule? Sonya […]
A new puzzle to solve! It has been a while since Sonya challenged you with one of her little puzzles. As the holiday season is coming, she decided to offer […]
A new mathematical challenge from Sonya Once upon a time, in the distant past, BuzzCity was a kingdom in which Sonya’s ancestor was the queen, or that’s what she likes […]
The first challenge of the year! Sonya is celebrating the new year by challenging you with a math puzzle that she knows how to solve! Can you find the two […]
Challenge your family with Sonya’s new puzzle Sonya knows that digesting the Christmas meal can leave you a little numb. So to keep the entire family awake until the end […]
Sonya’s new puzzle Did you know that Sonya is a fan of street art? She has also decorated her home with mathematical graffiti, and of course it includes a small […]
Start the month with one of Sonya’s puzzles Sonya was having some beams of wood delivered to build her new chalet. But all of a sudden… crash! The beams fell […]
A Halloween special challenge An army of little monsters are at the gates of BuzzCity, ready to sweep the streets of our beautiful city in search of candies. With the […]
Sonya puts your brain to the test! Sonya wants to check if you are ready for the end of year exams and has given you a new challenge! Place the […]
Start the month off on the right foot with one of Sonya’s challenges! For Sonya’s early May challenge, find the number that replaces the question mark. Did you find it? […]
April challenge Here is Sonya’s April challenge for you! A fish is swimming against the current. Move only 3 of the 8 matches to make it swim in the opposite […]
The last brain teaser of the month For this last brain teaser of the month, Sonya challenges you to find the number “5” by moving only one match stick. You […]
Sonya has dreamed up a new brain teaser! Ready? Sonya has another challenging puzzle for you this month. Can you tell which of the two is greater: the total area […]