The 20 Bead Abacus (sometimes called an Arithmetic Rack) is an ideal resource to introduce children to the five and ten structure of numbers. Using these numbers as reference points, children can combine and partition numbers to investigate efficent strategies for counting, addition and subtraction.
Both frames and beads are made from solid wood, the rods are stainless steel .
The Giant 20 Bead Abacus is an ideal size for individual learning or demonstrating concepts to the whole class.
Dimensions: Frame size 120 x 520mm. Wooden beads 36 x 22mm.
Product Details: Help develop an understanding of basic counting, addition and subtraction
Make counting fun with our 20-bead abacus, particularly useful for helping young minds understand counting in 5s and 10s.
As shown in Childs hand.
The perfect addition to your classroom, inspire a new generation of counters and, calculators with this gorgeous, 20-bead
abacus.
C6724 – 20 Bead Student Rack
C6725 – Giant 20 Bead Rack
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