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