Add 2

Who needs this game? Would you like to count fast? Maybe you want to improve children's math knowledge? Are you really bad with multiplication table? Do you want to spend your leisure time usefully? Are you totally sure 2 2 equals 4? Would you like to recall your math knowledge? Perhaps you want "to train your brain"? If the answer at least one question is "yes", then you should really try this simple logical puzzle "Add 2". "Add 2" is a wonderful opportunity to check math knowledge for children and adult! And fine training before exams for pupils and students! Thank you very much! Good luck!!!