April 23, 2007
1 chicken plus 3 cows is 4 animals. 3 cows plus 2 sheep is 5 animals.
5 animals minus 3 is 2 animals. 3 animals plus 3 people is 3 living things.
3 pieces plus 6 pieces is 9 pieces. Three pigs minus 1 pig is 2 pigs.
4 fence pieces plus 4 fence pieces is 8 fence pieces. 3 pigs plus 2 sheep is 5 animals.
3 pigs plus 2 sheep is 5 animals. 5 animals plus 2 more is 7 animals.
12 animals plus 3 people is 15 living things.
