Problems of the Week - April 4 to April 10

Rewards for Problems of the week:

5 stars for the correct answer at your level; 10 stars for the next level; 20 stars for 2+ levels up.

Lower Elementary:

Question:  Sergeant Stubby was the most decorated war dog of World War I and reportedly received 11 medals for his service. Chips was the most decorated war dog of World War II and reportedly received 3 medals for his service. How many more awards than Chips did Sergeant Stubby receive?

Upper Elementary:

Question:  In New York City’s Central Park, there is a statue of Balto, the sled dog who helped deliver medicine in the middle of a blizzard to Nome, Alaska and saved the town from a dangerous diphtheria outbreak. Balto arrived in Nome on February 2, 1925. The statue of Balto was erected on December 17, 1925. How many days passed between Balto arriving in Nome and his statue being erected? (Hint: 1925 was not a leap year.)

Middle School:

Question:  Man Ray, Fay, and Battina were dogs featured in work by the famous photographer, William Wegman. Battina’s photos are in 18 fewer than double the number of books Fay’s photos are in. Fay’s photos are in 1 more than 5 times the number of books Man Ray’s photos are in. If Man Ray’s photos are in 4 books, then how many books contain Battina’s photos?

Algebra and Up:

Question:  Laika was the first living animal to be launched into orbit. She was chosen from a pool of 10 dogs, and 1 other dog was chosen as an alternate for the launch. How many possible combinations of flight dogs and flight dog alternates were there?

Challenge problem to take home. 5 stars for the correct answer. 

The tower shown is made of identical blocks stacked on top of each other. Some of the blocks are not visible. How many blocks were used in all to make the tower?