Getting kids to analyze math problems for errors can be very difficult. This product contains 40 problems where students must determine if the problem was solved, modeled, and/or explained correctly. There are 8 problems for each of the 5 OA standards for 4th grade common core math. Half of the problems are correct and half are incorrect. Students must decide!
Each problem is immediately followed with the answer and an explanation if necessary.
The preview contains 1 problem from each of the 5 standards under the OA domain.
This was designed to be used whole class on a projector or whiteboard. It is easily adaptable as a center, scoot activity, math journaling, or test prep. Teachers know how to best use these materials, and there is no end to the possibilities!