Proofs
Presentation
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Mathematics
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9th - 11th Grade
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Practice Problem
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Easy
Standards-aligned
Kimberly Lewis
Used 13+ times
FREE Resource
1 Slide • 11 Questions
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Open Ended
This is an example of a completed proof. It is proving that Vertical Angles are congruent.
What do you notice?
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Open Ended
This is an example of a completed proof. It is proving that Vertical Angles are congruent.
What do you wonder?
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Open Ended
Let's try one.....What do you notice?
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Open Ended
What do you wonder?
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Open Ended
What do you think should go as the first Statement? How do you know?
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Open Ended
What do you think should go as the second Statement? How do you know?
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Open Ended
What do you think should go as the third Reason? How do you know?
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Open Ended
What do you think should go as the last statement? How do you know?
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Open Ended
What do you think should go as the last Reason? Hint: We can't use "Alternate Interior Angles" as a Reason because that is what we are proving.
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Open Ended
What do you notice?
What do you wonder?
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Open Ended
What do you think we should do to prove that
<1+<2 = 180? Hint: We can use any reason to prove it as long as we don't use "Same Side Interior Angles" as a reason.
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