Froggy Jumps Worksheet mathOnline version Addition and subtraction by Ali Allam 1 2+6 a 8 b 7 c 9 2 9-4 a 7 b 5 c 4 3 6+4 a 10 b 8 c 11 4 10-3 a 7 b 4 c 8 5 6-6 a 0 b 1 c 12