Ready for the challenge?

• ⏱ You get 30 minutes once you press start. The timer keeps running even if you close the page.
• 🎮 6 rounds, 50 challenges. You see the right answer after each one.
• 🎓 Score 60% or more to unlock your certificate. Your best score counts.
• 🔁 You have 3 attempts in total. Starting an attempt uses one.

You have used all your attempts. Ask your teacher if you need another chance.