Matching Pairs SUMASOnline version PRACTICO SUMAS by DIANA VALLE 1 18 + 5= 2 34 + 3 = 3 5 + 6= 4 7 + 3 = 5 2 + 2= 6 10 + 10 = 7 50 + 8 8 20 + 10 = 9 10 + 9 = 10 40 + 5 = 20 45 19 37 30 10 58 23 11 4