Matching Pairs sumas menores de 10Online version Realizar sumas sencillas by Mayte González 1 2 + 2 2 3 + 2 3 5 + 5 4 4 + 3 5 1 + 0 6 1 + 1 7 3 + 3 8 4 + 4 9 6 + 3 10 2 + 1 3 7 9 8 2 6 4 5 10 1