Abacus
Key Features :
i : This 10-row Rekenrek may look like an ordinary counting frame or abacus, however, it is used in a different way
ii : Each row of 10 beads is colored red/white to represent 2 sets of 5 beads allowing students to develop strong addition and subtraction skills
iii : The Rekenrek is a very effective tool in understanding numbers and their relationships
iv : Ideal for desktop use
v : The 10-row Rekenrek is an extended version of the standard 2-row Rekenrek, making it possible to use effective addition and subtraction strategies