Book comprehension and vocabulary enhancement for this installment of Marc Brown's popular "Arthur" series. Arthur is in school, dreaming of an upcoming trip to the circus, when he starts to feel sick.
"There are six clowns in the Champions Circus. The ringmaster hires four new clowns. Three of the old clowns begin to train as acrobats. How many clowns are there now?"
Answer the four clown-themed questions and solve a riddle.