Matching Pairs NumbersOnline version The following game is to identify people's attention and learning about numbers by CARLOS ALBERTO AVILES CASTANEDA 1 11 2 13 3 12 4 528 5 25 6 29 7 254 8 20 9 821 10 526 Two hundred and fifty four Eight hundred and twenty - one Five hundred and twenty - eight Twelve Thirteen Twenty five Five hundred and twenty - six Twenty nine Eleven Twenty