"Given a worksheet with 20 addition problems up to 3D + 3D + 3D with and without regrouping, the student will write correct answers with 90% accuracy on three consecutive weekly classroom exercises."

That's downright Kumonesque.

Yup

That's KUMON

90% is ALWAYS defined as mastery

the folks here are going to fall out of their chairs when they realize that 'teach to mastery' means 'everybody gets an A'

-- CatherineJohnson - 20 Dec 2005