Here are words to songs in 6/8 time - all in the public domain.
They accompany Math while Moving - Clapping Patterns and Sets.

Piano music to the songs below - all written in 6/8 time - are found in the book of piano music at the foot of this page - available at Amazon.com

1. The Farmer in the Dell
2. Hickory, Dickory, Dock
3. Humpty Dumpty
4. The Mulberry Bush
5. Jack and Jill

1. The Farmer in the Dell
Traditional
6/8 Time

The farmer in the dell
The farmer in the dell,
Hi-ho, the derry-o
The farmer in the dell.

Additional verses:
The farmer takes a wife.
The wife takes a child.
The child takes a dog.
The dog takes a bone.

2. Hickory, Dickory, Dock
Traditional
6/8 Time

Hickory, dickory, dock,
The mouse ran up the clock
The clock struck one,
The mouse ran down,
Hickory dickory, dock.

3. Humpty Dumpty
Traditional
6/8 Time

Humpty Dumpty sat on a wall,
Humpty Dumpty had a great fall,
All the king's horses,
And all the king's men,
Couldn't put Humpty Dumpty
Together again.

4. The Mulberry Bush
Traditional
6/8 Time

Here we go 'round the mulberry bush,
The mulberry bush, the mulberry bush,
Here we go 'round the mulberry bush,
So early in the morning.

5. Jack and Jill
Traditional
6/8 Time

Jack and Jill went up the hill
To fetch a pail of water,
Jack fell down and broke his crown
And Jill came tumbling after.

Related links:
Math while Moving series
Math while Moving - Counting
Math while Moving - Addition and Subtraction
Math while Moving - Learning to Tell Time
Math while Moving - Clapping Patterns and Sets
songs
Songs for a Circle Dance
Songs in 4/4 Time
Songs in 2/2 Time
Songs in 2/4 Time
Songs in 3/4 Time
Songs in 6/8 Time


Here is a book of very easy piano music, words and nursery rhymes that I've used more than any other! It can be ordered from Amazon.com at this link:
The Nursery Rhyme Book - a piano book