Fast Granny SquareThis square is faster and has the advantage of having no front or back.
Round 1: Chain 4, join with a slip stitch in the first ch to make a ring.
Round 2: Chain 3 [a ch 3 at the beginning of a round will always count as the first dc], in ring make 2dc [first block completed], ch 3 [first space formed], 3dc in ring [2nd block], ch 3 [2nd space]. continue until there are 4 blocks in the ring separated by 4 spaces 3 spaces. Join to top of first ch 3 [which counts as the first dc] with a slip stitch to complete 4th space. Turn.
Round 3: Chain 3, 2 dc in last space of Round 2, ch 3, 3 dc in same space [this makes the first corner shell], ch 1, make a [3dc-3ch-3dc] shell in the next corner, ch 1, make a shell in the 3rd corner, ch 1, make a shell in the last corner, ch1, slip stitch in the 3rd ch of the first dc to close the round. Turn.
Round 4: Ch 3, 2dc in the last ch1-space of the last round, ch1, make a corner shell in the ch3-space, ch1, make a block over the ch1-space, continue in this manner around, join with a slip stitch to first st as before.
All further rounds: Continue in this fashion, turning at the end of each round and putting a 3dc-block in each space, a shell in each corner, separating blocks with ch1-spaces, and joining with a slip stitch to the first stitch of each round, until the granny square is the desired size.
These can be colored and joined in a multitude of ways.