Challenge Math: Problem Solving for the Gifted (Level VI)
Sample Assignment
Name: <your name>
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1) If p Δ q means p + 2q, what is the value of 43 Δ 10?
Answer:
2) Find the sum of all prime numbers that are less than 100 and contain a digit of 5.
3) Rick cut an 8 in x 8 in square out of a 10 in x 20 in rectangular-shaped card board. What is the perimeter of the remaining part (the shaded part)?
Answer: inch
4) JoAnna is making necklaces. If she uses 5 red beads in each necklace, she will have 4 red beads left. If she uses 4 red beads in each necklace, she will have 3 red beads left. If she uses 3 red beads in each necklace, she will have 2 red beads left. What is the least number of red beads JoAnna has?
Answer: red beads
5) Two thirds of the students in Parkview Elementary wear something blue during the last School Sprit Day. Of the students wearing something blue, half of them were wearing blue hats. Of the students wearing blue hats, one third of them are girls. If 48 girls were wearing blue hats, how many students are in Parkview Elementary?
Answer: students
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