Comparative and superlative:

Os dejo los enlaces a las actividades de comparativos y superlativos para hacerlas online. 

https://es.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Comparatives_and_superlatives/Comparative_and_superlative_zy1326sp

https://es.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Comparatives_and_superlatives/Comparative_and_superlative_tv1325tf

https://es.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Comparatives_and_superlatives/Comparisons_4_nj34512yg

https://es.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Comparatives_and_superlatives/Comparative_and_superlative_do923hl