Maureen Curran and Mary Lou Aalbers Hazelwood School District Begin Teacher Tips Activity 6

The following lesson is addressing these standards: Use problem-solving approaches to explore and construct meaning from mathematical content. (MO 1.6, 3.4, 3.5, 3.7) Examine problems and proposed solutions from multiple perspectives. (MO 3.6) PROBLEM SOLVING

Teacher Tips You will need to click the mouse to show the answers for activities. This will allow you to control the timing of answers shown. We suggest that students keep a journal. It is critical for students to use writing skills to explain their answers. Please take time to discuss possible solutions to problems.

Your school needs to connect several classrooms on an intercom. It takes one wire to connect two classrooms.

If it takes one wire to connect two classrooms, how many wires would be needed to connect each classroom to every other classroom for four classrooms? (Click for answer)

How many wires would be needed to connect each classroom to every other classroom for five classrooms? (Click for answer)

How many wires would be needed to connect each classroom to every other classroom for seven classrooms? (Click for answer)

In your journal, describe a shortcut you could use to get your answer. Hint: Make a table. Click here to return to beginning