From an average student to a
top 10%
student in math!
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Challenge of the Month
1.
A restaurant bought some rice on
Sunday. Each day the restaurant used 120 pounds of rice. After 5 days,
there was 1/5 of the rice left. How many pounds of rice did the restaurant
buy on Sunday?
(6th grade and up)
2. It was a dark and
stormy night in London in 1905. A traveler named Maxwell lost
his wallet and walked to a hotel. He asked the hotel manager if he could pay
with his gold chain that consists of 7 rings linked together. The hotel manager
looked at his chain and said: "Yes, one gold ring per night. I have a wire
cutter to separate the chain." Maxwell said: “Great, I will stay for 7 nights.”
a) What is the minimum number of
gold rings Maxwell needs to cut to pay for the hotel ONE ring per night for 7
nights?
b. If Maxwell can get change (in
rings ) from the hotel each night (i.e. pay 1 ring one night and the next night
pay 2 rings, and get 1 ring back, resulting in 2 rings paid for
2 nights), What is the minimum number of rings he needs to cut?
(4th grade and up)
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Current number of math
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