This task is fully assembled, laminated and cut out with ring included. The problem cards measure 4.25" by 5.5" and 30 different cards are included (see the photos for samples) for single step addition and subtraction problems. The problems include a mix of numbers as words and numbers as numerals. Students can write on the cards to circle their answers.  The last sheet is the answer key and can be removed if desired.
 
Thanks for looking!