Mathematics Teacher Naperville North High School
Email Mr. Brown Naperville, IL
What can Brown do for you?
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Mr. Brown's 1st Semester Schedule Before School--Room 206 (math office) or 208 1st Hour--Honors Trig/Pre-Calculus Room 208 2nd Hour--Honors Trig/Pre-Calculus Room 208 3rd Hour--Prep Period Room 206 4th Hour--FYI Room 205 5th Hour--Lunch CAFE 6th Hour--Honors Trig/Pre-Calculus Room 208 7th Hour--Trig/Pre-Calculus Room 208 8th Hour--Trig/Pre-Calculus Room 208 After School--Cross Country Practice |
Challenge Questions
Challenge Questions #3 and #4 run from September 1st, 2008 to September 13th, 2008. Answers may be submitted electronically or traditionally, but must include full solutions/explanations. Good luck!
Challege Question #3: A farmer has four straight pieces of fencing: 1, 2, 3, and 4 yards in length. What is the maximum area he can enclose by connecting the pieces? Assume the land is flat.
Challege Question #4: Using only the numbers 1, 3, 4, and 6, together with the operations +, −, ×, and ÷, and unlimited use of brackets, make the number 24. Each number must be used precisely once. Each operation may be used zero or more times. Decimal points are not allowed.
Previous Challenge Questions
Challlenge Question #1: Jo, Pat, and Kris went on a picnic. Jo brought two sandwiches and Pat brought three sandwiches, but Kris forgot to bring food. If the three campers shared their food equally and Kris paid Pat and Jo a total of five dollars for the sandwiches that they shared, how much money should Pat and Jo each get?
Answer: Pat: $4; Jo: $1
Challenge Question #2: A triangle has sides of integral length. If it is known that two sides of the triangle measure 700 and 800, how many possible triangles can be formed? (Note: integral length means that the length must be an integer, such as ... -2, -1, 0, 1, 2, ...)
Answer: 1399.
Enjoy the puzzles below!
