*I Break…You Choose – pptx version*

**My One Kilometre Walk*** with improved video*

My One Kilometre Walk – DESMOS VERSION

MY IDEA OF A **20** MINUTE WORKOUT

U.S. OPEN GOLF – DESMOS VERSION

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## My 3-Act Lessons

### Andrew Stadel on Mistakes

### Teaching to the negative space

### Risk Taking

July 24, 2015

Originally posted on Five Twelve Thirteen:

I went to Andrew Stadel’s afternoon session at TMC yesterday: Math Mistakes and Error Analysis: Diamonds in the Rough. I got out of it a fun technique to get students thinking, and some new perspective on building deep knowledge. Andrew talked a great deal about the value of mistakes, and…

July 24, 2015

Originally posted on The Number Warrior:

I’ve been troubled ever since David Cox asked why students needed to learn the names of the algebraic properties (associative, identity, and so forth). Certainly I see misunderstandings: students confronted with not aware they can combine the 3 and 2 with associative and commutative properties, or the classic leading…

July 20, 2015

What are you doing differently to model risk taking?

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