abaco

the teacher showed us how to use an ancient wooden abacus.

children learn basic math skills by playing with colorful abacus beads.

my grandmother still prefers calculating on a traditional abacus instead of a calculator.

the abacus method helps develop mental calculation abilities in young students.

ancient merchants used the abacus to keep track of their daily transactions.

she attended a special school where they taught mathematics using the abacus technique.

the museum displayed several vintage abacuses from different cultures around the world.

he became a master of abacus calculations after years of dedicated practice.

some educational programs incorporate the japanese abacus, known as soroban, into their curriculum.

learning to use an abacus can improve concentration and memory skills in children.

the smooth movement of abacus beads along the rods requires gentle and precise handling.

although modern technology has made the abacus largely obsolete, it remains popular in some asian countries.