Problems of the Week - December 20 to December 26

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: If a black sheep gives 22 ounces of wool to his master, 23 ounces to his dame, and 19 ounces to the little boy who lives down the lane, then how many ounces of wool does the black sheep give away in total?

Upper Elementary:

Question: A little pig builds a brick house that is 10½ feet wide and 12½ feet long. What is the perimeter of the little pig’s house?

Middle School:

Question: Jack casts an 8’ shadow. If Jack is 5’ tall, then how tall is a bean stalk that casts a 1,600’ shadow?

Algebra and Up:

Question: A tortoise and a hare begin a 4–mile race at the same time. The tortoise travels 2 miles per hour, and the hare travels 24 miles per hour. After the hare races for 8 minutes, he stops to take a nap. The tortoise passes the hare and wins the race. How much time does it take for the tortoise to reach the finish line after it passes the hare?

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

In the song “12 Days of Christmas,” how many gifts did your true love give to you all together (count each gift just once, not multiple times for the many verses in the song)?

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 = 78