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The Expanded Beginner’s Abacus introduces visually impaired students to early math concepts and number operations, as well as abacus terminology. It supports concepts and skills such as one-to-one correspondence, number meaning, addition, and subtraction. It also lends itself to preparing a young student for the Cranmer Abacus.
The abacus consists of a black frame with 3 rods. Each rod has 9 white beads that slide against a red felt backing. The red felt background provides a sharp visual contrast and prevents beads from slipping.
The simple design of the Expanded Beginner’s Abacus allows for direct representation of a given value and enhanced readability for “little fingers”. Measures 5.37 x 3.25 x 0.75 inches.
Hook/loop strips are provided for connecting multiple abacuses together, in order for students to complete computations that involve amounts of money or numbers too large for the EBA.
Both print and braille guidebooks can be purchased separately.
