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What is the outline of Abacus tool called?
Frame
The dot in the Abacus tool represents ______ place value.
units / ones
In the upper deck, each bead has a value of ______
5
In the lower deck, each bead has a value of _____
1
Beads are counted only when they are moved towards the value bar. (yes / no)
yes
The ______ (line) separates upper deck and lower deck.
beam (value bar)
Abacus helps in _____ development.
Brain
Regular practice of Abacus our calculations becomes _______ and _______.
Fast and accurate
Which technology is commonly used in Abacus? (Arabian/ Soroban)
Soroban
In Soroban technology which two fingers we use to move up and down?
Thumb and Index finger
The Abacus is an ______ mathematical instrument (ancient / latest)
ancient
