Editorial: For too many American kids, math isn’t adding up

Math scores in the U.S. have been so bad for so long that teachers could be forgiven for trying anything to improve them.
Opinion
The Philadelphia TribuneOpinion

For too many American kids, math isn’t adding up

Math scores in the U.S. have been so bad for so long that teachers could be forgiven for trying anything to improve them. Unfortunately, many of the strategies they’re using ...
Opinion
News TribuneOpinion

COMMENTARY: For too many American kids, math isn’t adding up

Math scores in the U.S. have been so bad for so long that teachers could be forgiven for trying anything to improve them. Unfortunately, many of the strategies they're using could be making things ...
Talker on MSN

Study finds kids counting on fingers improves their math skills

Kids who count on their fingers between 4 and 6 years old have better addition skills by 7 than those who don’t use their ...
IEEE

Weighted two-valued digit-set encodings: unifying efficient hardware representation schemes for redundant number systems

Abstract: We introduce the notion of two-valued digit (twit) as a binary variable that can assume one of two different integer values. Posibits, or simply bits, in {0,1} and negabits in {-1,0}, ...