This graph shows the pets that some students have at home

- There are 2 birds

- There are 3 fish

- There are 5 dogs

- There are 3 cats

- There is 1 turtle

- The number of DOGS is the greatest

- The number of TURTLES is the smallest

- There are more CATS than TURTLES

- There are 2 more CATS than TURTLES

- There are fewer FISH than DOGS

- There are 2 fewer FISH than DOGS

- There are 14 pets altogether

New students join the class. They have a turtle at home. The number of turtles then is one more than the dogs.

How many children join the class?

This graph shows some animals that live in the school garden

- There are 7 snails

- There are 5 worms

- There are 9 butterflies

- The number of BUTTERFLIES is the greatest

- The number of WORMS is the smallest

- There are more SNAILS than WORMS

- There are 2 more SNAILS than WORMS

- There are fewer WORMS than BUTTERFLIES

- There are 4 fewer WORMS than BUTTEFLIES

- There are 21 animals altogether

Some worms become butterflies. The number uf butterflies then is 6 more than the number of worms.

How many worms become butterflies?