Lower Elementary
Question: The power went out at Mr. Green’s house so he can’t see anything. He has to choose a pair of socks to wear for work. He has 8 black socks and 12 white socks in his drawer. What is the minimum number of socks he has to pull from his drawer to guarantee that he finds a matching pair?
Answer: 3
Upper Elementary
Question: A piece of wood that is 220 inches long is cut into 3 pieces. The shortest piece is half the size of the middle-sized piece and the longest piece is eight times the size of the shortest piece. What are the lengths of the three pieces?
Answer: 20 inches, 40 inches, and 160 inches
Middle School
Question: Megan’s monthly salary is $60 less than four times Beth’s monthly salary. Rachel’s monthly salary is $40 less than the combined monthly salaries of Jennifer and Beth. What is Jennifer’s monthly salary, if Rachel earns $4640 each month and Megan earns $940 each month?
Answer: $4430/month (Beth earns $250/month)
Algebra and Up
Question: If 21998 – 21997 – 21996 + 21995 = k * 21995, what is the value of k?
Answer: k = 3
