learning new things: Gotta love a prefix and suffix! If they have an idea what the prefix means, the meaning of the whole word starts to form. Kids love this knowledge and I was teaching grade 6 when I discussed this with the class!
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.