1. Decide & Defend
WHAT: Interpret math work, decide if you agree or disagree, draft, and defend your decision.
WHY: To build the mathematical habits of interpreting, deciding and defending (i.e., to think and work like mathematicians)
Adjust the what and the why based on your own goal

2. Decide & Defend Interpret the Work Reflect on Learning Decide Draft

3. Interpret the Work
Think Pair Share

4. What is the question they are answering?
What did they do?
What did they find?
Offer Questions to ask yourself, then show work.

5. What is the question they are answering?
INSERT Task that is the basis for the worked example
Offer Questions to ask yourself, then show work.

6. What is the question they are answering?
What did they do?
What did they find?
INSERT WORKED EXAMPLE
Offer Questions to ask yourself, then show work.

7. What do you think they did?
I think they …
What do you think they did?
INSERT WORKED EXAMPLE

8. First they… next... then...
They found… by…
INSERT WORKED EXAMPLE

9. Decide if the Work is Correct
Think
Pair
Pass out handout.
Annotate, share w/partner, share out showing annotations/mark ups, NOT full sentences.
Annotate

10. Decide if the Work is Correct
Ask yourself…
Does the process make sense?
Does the answer make sense?
Ask yourself… What else might you think about or ask yourself?
Are the calculations correct?

11. Decide if the Work is Correct
I think the work is correct/incorrect because…
I’m not sure if the work is correct because…
Ask yourself… What else might you think about or ask yourself?

12. Prepare what you’ll show Prepare what you’ll say
Draft your Defense
Prepare what you’ll show
Prepare what you’ll say
Ask yourself questions will grow over time, based on classes’ experience in the routine. Ex: ask yourself: What examples might be helpful, What would be helpful to annotate? What would be helpful for skeptics to see clearly? How might color help communicate my ideas?

13. Defend your Decision Skeptic
Defender
We decided the work is correct/incorrect because…
We’re still not sure about….
Skeptic
I agree/disagree with your defense because…
A question I have is…
Defend your position to the class. Use your annotations to support your argument.
Audience plays the role of skeptics - clarifies, probes, pushes back, or furthers the argument by agreeing or disagreeing

14. Defend your Decision We decided the work is correct/incorrect because…
Defend your position to the class. Use your annotations to support your argument.
Audience plays the role of skeptics - clarifies, probes, pushes back, or furthers the argument by agreeing or disagreeing
Defender
We decided the work is correct/incorrect because…
We’re still not sure about….
Skeptic
I agree/disagree with your defense because…
A question I have is…

15. Reflect on learning
Next time I interpret someone else’s work, I will pay attention to…
Next time I interpret someone else’s work, I will ask myself…
When convincing a skeptic, I learned to ….
A new math idea I learned is…
Adjust based on your task and goal.