Making an Advent Calender with 24 acts of kindness. Instead of more gifts for your children, this puts the focus on the true meaning of Christmas! - you could go a lot of directions with this little chalkboard / clothespin / paper bag Advent calendar.
Why do we add S to some words but ES to others? And when a word ends with Y, how do we know whether to change the Y to I before adding the plural suffix? And why on earth does knife become knives? You can unravel these mysteries with six simple rules.