Mental arithmetic

Mental arithmetic is a unique way of doing calculations in your head, solving msthemsticsl problems for a very short time without the use of any tools, such as a calculator or pen and paper,or fingers!

$Mental arithmeic training programme - 1st level$

Mental arithmeic training programme - 1st level

Mental arithmetic is an invaluable method of developing full harmonic development of both mental and constructive skill...

05.10.2022г.

4471
1

E. Stefanova

130.00 BGN

Mental arithmetic

Mental arithmeic training programme - 1st level

Mental arithmetic and its relation to pedagogy

What is an abacus? The history of abacus calculating device.