Challenge Math: Problem Solving for the Gifted (Level VIII)
Sample Assignment
Name: <your name>
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1) The ratio of Tiffany's age to Mom’s age is 3:11. The difference of Mom's age and Tiffany's age is 32 years. How old is Tiffany?
Answer: years old
2) M is the midpoint of segment AB with endpoints A (-3, 9) and B (x, y). If coordinates of M is (-2, 7), what is the value of x + y?
Answer:
3) A drawer contains 2 red socks and 3 blue socks. Two socks were randomly drawn from it. What is the probability that they are the same color?
Answer: %
4) On a field trip, a bus traveled to the zoo at an average speed of 55 miles per hour and returned over the same route at 35 miles per hour. If the total trip took 9 hours, how many miles is it from the school to the zoo? Express your answer as a decimal number.
Answer: miles
5) How many three-digit numbers are divisible by 17 but not divisible by 13?
Answer: three-digit numbers
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