This is a great skill for children to have as they begin learning to read and write and playing this simple phonics game will really help.
The month that is mentioned in a worksheet’s title is estimated to be the date during which the displayed objectives are being evaluated. It is most likely that it might be changed according to each school. (For instance: an exam given in March in school “A” could be given in June in school “B”).
The objectives/lessons that define a certain grade in school “A” could also fit another grade in school “B”.