Toggle navigation
Toggle navigation
Home
DCUM Forums
Nanny Forums
Events
About DCUM
Advertising
Search
Recent Topics
Hottest Topics
FAQs and Guidelines
Privacy Policy
Your current identity is: Anonymous
Login
Preview
Subject:
Forum Index
»
Kids With Special Needs and Disabilities
Reply to "Rigidity preventing learning "
Subject:
Emoticons
More smilies
Text Color:
Default
Dark Red
Red
Orange
Brown
Yellow
Green
Olive
Cyan
Blue
Dark Blue
Violet
White
Black
Font:
Very Small
Small
Normal
Big
Giant
Close Marks
[quote=Anonymous]Wow. I guess with pen and paper left to right is ok but I tried adding those numbers left to right in my head and it's hard to keep track of the carried digit and remember the summed digits. If DC can do that in head that's quite impressive. But does he understand the theory behind the practice of right to left? Least and most significant digits. Carry and flow? He might actually like number theory starting with primes, too. Or by left to right do you mean partial sums? Like 150 + 667 is 100+600 plus 50+60 plus 7? Some places teach that. [/quote]
Options
Disable HTML in this message
Disable BB Code in this message
Disable smilies in this message
Review message
Search
Recent Topics
Hottest Topics
