Math chain - Version 12.11 Look at the digit and deside what the next digit at the digit chain. This exercise can be used for increasing IQ (inteligent quantity) range. Math chain game. Continue lines of digits. Use your mind for game. This game used for developing of IQ. Inteligent quality. Try to imagin the chain of sequence of digits. Use your mind for game. Continue lines of digits. Use your mind for game. This game used for developing of IQ. Inteligent quality. Try to imagin the chain of sequence of digits. Use your mind for game.