The ABACUS International Math Challenge
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|Tivadar Divéki, Grace Church School|
|The ABACUS International Math Challenge is open to students in three categories (grades 3-4/ages 9-10; 5-6/ages 11-12; 7-8/ages 13-14), with 8 problems posed each month. The challenge begins in September and ends in April. It originated with the ABACUS Math Challenge started 5 years ago in Hungary by Sándor Róka, for students in grades 4-8.|
|Levels:||Late Elem. (3-5), Middle School (6-8)|
|Resource Types:||Calculators, Manipulatives, Problems/Puzzles|
|Math Topics:||Basic Operations|
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