How it works
1
Read the background information and think about the question.
2
Use the notepad on the right if you get stuck — write your thinking and the guide will help.
3
Choose your answer and read the explanation before the result reveals.
4
Email your results when you finish — one tap sends your full session transcript.
Choose your challenge
Practice spelling simple three-letter words by reasoning through the sounds each letter makes.
Reason through adding, subtracting, comparing numbers, and using a number line.
Learn how conjunctions like AND, BUT, OR, BECAUSE, and SO connect ideas in sentences.
Reason through plants, states of matter, food chains, gravity, and the water cycle.
Explore how summer looks different across the globe — seasons, temperatures, wildfires, and the 2028 Olympics.
Reason through the causes, tactics, turning points, and human cost of the First World War.