Two activities that can be completed with comparing length or height. Differentiated recording sheets.
Activity 1 has students comparing the length or height of an object to a tower of 10 unifix cubes. (ex: The pencil is shorter than my tower of 10 cubes). There are two different versions of each recording sheet. Version 1 has students just writing the object name (ex: pencil) and version 2 has students writing the name of their object and the corresponding vocabulary word (longer/shorter/taller).
Activity 2 has students comparing the length of paper strips by gluing the paper strip under "shorter" or "longer". There is a version for comparing height as well. This activity can also be completed with classroom objects and the recording sheet can be laminated and used as a sorting mat instead!