Abacuses are still used extensively in many Asian countries.
"We learned to live with her gimmicky curriculum.
But then, one evening when she was in eighth grade,
I saw her using a calculator to compute ten percent
of 470. Later I had to explain to her that one-fourth
is the same as 25 percent. I asked her,
`Are the other kids this dumb?'
My straight-A child reassured me:
`Oh, they're much dumber.'"
"When youngsters use a calculator to solve 94 in
third grade, they're still using one to solve the same
problem in high school. By then they are also contending
with algebra. Because they never felt comfortable working
with numbers as children, they are seriously disadvantaged
when they attempt the generalized math of algebra."
Why Our Kids Can't Do Math
Ditch The Calculators
Subtracting the New Math