Abacus in a Sentence 🔊

Definition of Abacus

a counting frame used to make math calculations by sliding counters across rods or grooves

Examples of Abacus in a sentence

Sliding each bead from one side to the other, the student used the abacus to count out the number of days in a week. 🔊

Because multiplying in your mind can be difficult, the teacher showed the kids how to use a bead-lined abacus to find the product manually.  🔊

The first Abacus board was created in 300 b.c.e and was used by the Greeks to add and subtract using counters. 🔊

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