Construct a truth table to determine when the lightbulb is on. That is, determine which switches must be open and which switches must be closed for the lightbulb to be on. 
A. The lightbulb will never be on.
B. The lightbulb will be on when p is open and q is closed.
C. The lightbulb will be on when p and q are both closed, or when p is closed and q is open.
D. The lightbulb will be on in all cases.
Answer: B
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Which document was written primarily in order to help emphasize the roles of reasoning and sense-making in the curriculum?
a. Focus in High School Mathematics b. Curriculum Focal Points c. Assessment Standards for School Mathematics d. Saxon Mathematics
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