Description
Cotter Abacus is Made in the USA!* This 9-3/4″ x 7-1/2″ (24.75 cm x 19.25 cm) plastic abacus is grouped in 5s and 10s to encourage quantity recognition and visualization. On one side the child performs basic operations and learns strategies for mastering the facts. On the reverse side, trading is emphasized.
The interactive Cotter Abacus is available for you to explore on our website. You can work with addition and multiplication using trading and quantity recognition. Place value cards and the math way of counting are also shown. An electronic version from NCTM is available for you to explore.
An instructional booklet is included.
Call for quantity discounts 1-888-272-3291.
MADE IN USA
WARNING: CHOKING HAZARD! Small parts. Not for children under 3 years.
Additional information
| Weight | .5 lbs |
|---|---|
| Dimensions | 7.5 × 9.8 × .7 in |
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