‘My favorite no’

In what she calls “my favorite no,” math teacher Leah Alcala shows students how to learn from mistakes.

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  1. Michael E. Lopez says:

    I’d swear on the altar of God that I saw this 3-4 years ago.

    On this site.

    • Michael E. Lopez says:

      It might have just been a year or two ago.

      But still, I swear I’ve seen this.