Anchor Task - How do we give instruction for Triangle PET (some cartoon character) to move to a new position?
Using what students suggest, we get students to talk about translation (which cannot get PET to the desired position, rotation (where we need to provide specific instructions about rotating about which point, through what angle and in what direction), and reflection (where we need to provide specific instruction about reflection in which line).
To challenge students, we introduced elements from things they know from before eg naming line of reflection using y=mx+c and finding midpoints between two points.
Mental Math Discussion | Grade 2
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