Conic Sections
Alg 2 · Unit 16
Ellipses
Two foci, constant sum
Curriculum standard — Transfer stage of the Thinking Ladder
Where this leads next
This topic→A new context
Transfer means recognizing the same structure in a genuinely different setting — the deepest evidence of understanding.
Why transfer matters
Mastery is not repeating a procedure in the same setting. It is recognizing the underlying structure when it appears somewhere new — and using it correctly there.
Three pathways, one topic