wooden abacus to learn how to count numbers based on decimal or base ten

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Size: 4489px × 3462px
Photo credit: © FC_Italy / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abacus, base, classroom, count, counter, counting, decimal, education, elementary, frame, math, mathematics, maths, plaything, primary, school, teach, ten, tool, toy, wood, wooden