remedial
US /rɪˈmiː.di.əl/
UK /rɪˈmiː.di.əl/

1.
remedial, herstellend, corrigerend
providing a remedy, especially for a deficiency or disability
:
•
She takes remedial classes to improve her math skills.
Ze volgt remedial lessen om haar wiskundevaardigheden te verbeteren.
•
The school offers remedial reading programs for struggling students.
De school biedt remedial leesprogramma's aan voor worstelende studenten.