Penny teaches kids what a preposition is and how to pick the one that tells where, one step at a time. Kids practice with friendly hints, then show what they know in a 5-question quiz. Quiz scores go to HFT Classroom automatically.

Roxy teaches kids how to make plural nouns in the Gem Mine: most nouns add -s, nouns that end in s, x, ch or sh add -es, and some nouns change the whole word, like mouse and mice. Kids practice with hands-on games, then show what they know in a…