Time Problems

Today, we worked in pairs to solve problems involving time.

The small group did these problems: 

 

When we were done we showed each other the work and did a congress where we talked about the math.  Out thinking, or editing, is done in black: 

We talked about how important it is to show our thinking when solving a problem.  This is something we need to remember when we do future problems.

The large group did these problems:

Here is what we talked about when we did our congress:

We concluded that it was important to use the same unit when talking about elapsed time (e.g. All minutes or all hours)