Age 11Sample11-year-old · 6th grade
Mixing two walks
From The Geometry of Linear Equations · Gilbert Strang
The same puzzle is also 'can I mix these two arrows to land on the target?'
Original lecture on MIT OpenCourseWareBefore this sitting
Can you already do this?
Two quick checks on “you will be able to…”. Right on both and this sitting becomes mixed practice, not a lecture. Wrong is useful — we keep the full sitting.
x(2, 0) + y(0, 2) = (2, 2). A solution is…
The column picture of a 2×2 system asks…