Right before midterms. While studying together in the clubroom, they discuss grades and learn that Tomoyo has the worst grades in the group. On their way home, Hatoko asks Tomoyo if she'd like to study together. Together they study and talk about Andou when Hatoko accidentally lets "that's not fair" slip and unsettles Tomoyo.
My last math test score was a 0.
درجتي في امتحان الرياضيات الأخير كانت صفر
Obtuve cero puntos en mi último 
examen de matemáticas.
Saqué cero puntos en mi último 
examen de matemáticas.
Au dernier contrôle de maths,
Nell'ultimo compito di matematica ho preso 0.
Minha última nota no teste 
de matemática foi zero.