I've heard a lot about the Singapore math series and I'm considering using their workbooks as enrichment for over the summer. I'm not sure what level book to start my son on though. He is in first grade and working at an end of second grade level and is ready for multiplication. He does not know his time tables by heart but he can tell me on his own that 2 minutes equals 120 seconds or that 5x5= 25 etc..but he is not able to actually recite the entire times table. He is also able to do up to three digit addition.
