# logic

## Ron's Impossible Spell

## Ron's Impossible Spell

Ron needs to finish his charms homework, but he just can't cast the right spell on the feather he's trying to levitate. With a little math help from his friends, will Ron be able to cast the levitation spell before the room turns to shambles?

## A Chance Victory

## A Chance Victory

King Ben must ensure that his kingdom is victorious so he sets out on a journey to gain the wisdom he needs.

## Deactivate the Robots

## Deactivate the Robots

Will a bit of AND/OR logic save us from the Robot Apocalypse? Maybe not, but those robots are going down.

## A Smart Chart Problem

## A Smart Chart Problem

Karen, Harmony, Emily, and Olivia are trying to win an all expense paid trip to National MATHCOUNTS. They encounter an interesting problem that truly is a Smart Chart problem!

## Mismatched Friends, Mismatched Socks

## Mismatched Friends, Mismatched Socks

Will Kelly's inability to choose matching socks ruin plans for a fun day with her friends?

## Basketball Mix-up

## Basketball Mix-up

Tryouts were held for three positions on the school basketball team: center, guard and forward. There were 4 players who tried out for center, 10 for guard and 10 for forward. These numbers include 1 player who tried out for center and guard, 3 who tried out for center and forward, and 4 who tried out for guard and forward. All six of these counts include 1 player who tried out for all three positions. If 17 players, in all, tried out for the team, how many players tried out only for guard.

## Matholanterns and Marbles

## Matholanterns and Marbles

Problem 78: #Marblechallenge is a game using a bowl containing 39 marbles. Each player takes turns removing 1, 2, 3, or 4 marbles from the bowl. The person who removes the last marble loses. If player 1 takes the first turn to start the game, how many marbles should he remove to guarantee he is the winner?

## The Sour Worm Games

## The Sour Worm Games

April attempts to outsmart Ruchi in a game of marbles using math to regain her honor and sour worms. Will she win? Watch as April and Ruchi play the game of marbles.

Problem #78 : Ron and Martin are playing a game with a bowl containing 39 marbles. Each player takes turns removing 1, 2, 3 or 4 marbles from the bowl. The person who removes the last marble loses. If Ron takes the first turn to start the game, how many marbles should he remove to guarantee he is the winner?

* For the purpose of the Video, we have changed the names in the problem to April and Ruchi.

## Indie, Anna, and Jones

## Indie, Anna, and Jones

Indie, Anna, and Jones are working on a problem when their time runs out! They search all over the school to find the answer. Finally after reading the text book, they figure out the answer to the logic problem.

## Divide and Conquer

## Divide and Conquer

There are 3 teams of 3 people and the team members are picky about who is on each team. We solved the problem so that everyone is happy.