US and UK crochet notation

I use US crochet notation as I learned to crochet from a book written in the US. Depending on where a pattern was written, it will have different notation. Here is the chart to show US/UK crochet notation. Yes, it is slightly confusing!!

US	UK
Chain (ch)	Chain (ch)
Single crochet (sc)	Double crochet (dc)
Double crochet (dc)	Treble (tr)
Half double crochet (hdc)	Half treble (htr)
Triple crochet (trc)	Double treble (dtr)
Slip stictch (sl st)	Slip stitch (sl st)