## Math Mission

## Opening

# Math Mission

Critique diagrams of a ship’s journey through the Welland Canal, and revise your own diagram.

Critique diagrams of a ship’s journey through the Welland Canal, and revise your own diagram.

Trade diagrams and critique each other’s work. Use the following questions to help guide your critique of another student's work.

- Is the diagram understandable?
- Are there ways that the diagram could show the information more clearly?
- Is there anything in the diagram that is not correct?

When you have finished critiquing your partner’s diagram, look at this diagram of the Welland Canal.

- What does the diagram show?
- Critique the diagram.
- What does the title of the given diagram tell you?
- What do the numbers along the vertical axis represent?
- What do the numbers along the horizontal axis represent?
- What does 0 mean?

- Revise your diagram based on your partner’s feedback and on any ideas you may have from looking at other diagrams of the Welland Canal.

- Prepare a presentation that explains the wonder of the the Welland Canal mathematically.

- Critique the diagram of a different classmate. Take notes.

- Take notes about other classmates’ approaches to revising their diagrams.

As your classmates present, ask questions such as:

- What was the most helpful advice your partner gave you when critiquing your diagram? How did you use this advice to help you improve your diagram?
- What elements were lacking in your original diagram? How did you incorporate these elements into your new diagram?
- What is a strength of your diagram?
- How might you still improve your diagram?
- What advice would you give to help others improve their diagrams?

Write a reflection about the ideas discussed in class today. Use the sentence starters below if you find them to be helpful.

**From looking at other diagrams, I learned…**

**A revision I made to my diagram is…**