The Ten Things

I Honor the correct answer more than the guess
II Do not eschew the value of repeated practice
III Give good grades only for good work
IV Spare the calculator and spare the child
V Teach proofs in high school
VI Assure the math-competence of the math teacher
VII Avoid vague objectives
VIII Use objective tests to judge student achievement
IX Teach to mastery
X Value knowing and honor the knowledgeable