A editable board of numbers used to play quick addition and subtraction games. We split into groups of 2 or 3, each student took a turn to roll two dice. The two numbers that they roll, they had to add together and then subtract, using a marker they color the sum or difference of the two numbers. I set a timer and whoever had the most colored answers, "won." The partners had to be good listeners to catch if they said the correct answer. My students loved this and asked to play again! I used this with my Math RTI class.
Teaching for the Outcome, not the Income.