# Current Problems of the Week

## PrimaryA Walk to the Park
- October 20
Find the total number of blocks Tom walked. |
## AlgebraWhat's the Difference?
- October 13
Gaby and Dimitri explore the difference in a difference. See what you find! Preview: Splash! |

## Math FundamentalsSo Many Salmon
- October 13
Do Armida's co-workers work faster or slower than she does? Preview: Subway Subtotals |
## GeometryLatest Solution: Eminen |

## Pre-Algebra3-D Vision
- October 20
What shape is formed by the segments on the faces of the cube? |
## Trig & CalculusUp, Up, and Away (Part II)
- October 13
Can you figure out the compass heading to fly the shortest path between two far-away points? Preview: Can You Prove It? |