The ABLLS-R (Assessment of Basic Language and Learning Skills - Revised) is a tool used to assess, instruct and monitor a students progress in a number of different skills. One of the sections included in the ABLLS-R is Section R or Math Skills.This assessment binder contains the materials needed for you to get a baseline on each of the following tasks: R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29. What Is Included?