Practice crossing over to the next decade with this Concentration FREEBIE!
Materials: Please copy the end of the decade cards (9,19,29,39, 49, 59, etc) back to back with the logo on color cardstock. Next, run the decuple numbers (10, 20, 30, 40, 50, etc.) back to back with the logo on a different color cardstock. You will need to discard any blank cards. ***Due to copiers being different, you may need to flip the papers in different arrangements to get them to match up when running back to