What is the rhyme scheme of ten little Indians?

The rhyme scheme of "Ten Little Indians" is AABB. This means that the first and second lines of each verse rhyme, as do the third and fourth lines.

Here's an example from the poem:

> Ten little Indians, standing in a line,

> One choked his little self and then there were nine.

> Nine little Indians, sitting on a chair,

> One got sleepy and then there were eight.

Notice how "line" rhymes with "nine" and "chair" rhymes with "eight". This pattern continues throughout the entire poem.