Archived Stumpers (with solutions)
STUMPER #1.16: FAIRY TALES
(Did you solve something differently? There's almost always more than one way to solve
a math problem. Sometimes there's even more than one correct solution!)
Return to this week's stumpers View all archives Return to Math Gym home
1. 3 Little Pigs: Under Construction
___After the unfortunate incident where two of their houses got destroyed, the Three Little Pigs moved in together. But that oneroom house was too small. Their neighbors (the lessfamous Five Little Hogs) moved away, and the Pigs decided to move into their house. The Hogs’ house had 5 rooms, and the Pigs only needed 3, so they hired the Big Bad Wolf to come back and huff and puff and blow down some walls to get rid of two rooms. But the Wolf was tired, and would only blow down 3 walls. Which 3 walls should he blow down to change the house below so there are exactly 3 square rooms (and no extra walls) ?

2. Red Riding Hood: Troll Tales
___Little Red Riding Hood is heading to her grandma’s house with a basket of cookies. She has to cross 5 bridges along the way. Under each bridge is a troll, who makes her give him half of her cookies, but then gives one cookie back as change. If she wants to have 2 cookies left for grandma, how many cookies should she bring on the trip?
* Solution
2 cookies. On each bridge she'll give one and immediately get that one back.
