Teacher 2 Teachers has developed this set of 20 activity cards. Each card contains 4 mathematical representations. The task is to find which three representations have in something in common, leaving the fourth one as the "Odd One Out."
The cards include representations from all four domains in grade 1 common core standards. An answer key has been included in the packet.
The level of the answers and justifications make "Odd One Out" a differentiated activity which can be utilized with all of your students.
The cards can also be used as a workstation in your math classroom.