Matching Pairs Sumando 10 y 1Online version Descomponer en 10 y 1 by María Piccardo 1 10 + 10 +. 10 2 10 + 10 3 10 + 1 + 1 + 1 + 1 4 10 + 1 + 1 + 1 + 1 + 1 5 10 + 1 +. 1 6 10. +. 10 + 1 + 1 + 1 30 14 23 12 20 15