About This Lesson
Aligns to: RIK1, RIK2, RIK3, RIK7, RIK10, WK2, WK8, SLK1a, SLK1b, SLK2, SLK3, SLK5, SLK6, LK1, LK1b, LK1f, LK4, LK4a, LK5a, LK5b, LK5c, LK6
This work is based on an original work of the Core
Knowledge® Foundation made available through licensing
under a Creative Commons Attribution-NonCommercial-
ShareAlike 3.0 Unported License. This does not in any
way imply that the Core Knowledge Foundation endorses
this work.