Singapore Math is typically considered to be a year advanced, so your ds would be placed quite typically by doing 1A/1B for 2nd grade. We did Singapore from K through 6th, and went from Singapore 6B right into Foerster's Algebra 1, so you may find your dc are not 'behind' at all! We've loved Singapore Math. Here are a few threads about it...
Singapore Math (why Carrie picked it and my top reasons for using it)
viewtopic.php?f=6&t=4271&p=31537#p31537
viewtopic.php?f=10&t=112
However, any math can be used with HOD. It is just nice to know why HOD chose Singapore as you are making your decision!
In Christ,
Julie
Would switching math programs set us back?
Re: Would switching math programs set us back?
Enjoyed LHTH to USII
Currently using USI
Wife to Rich for 28 years
Mother to 3 sons, ages 23, 20, and 16
Sister to Carrie
Currently using USI
Wife to Rich for 28 years
Mother to 3 sons, ages 23, 20, and 16
Sister to Carrie