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Rekenreks (also known as arithmetic racks or calculating frames) are ideal for building number sense..

Increase math fluency by developing number sense. The Mini 100-Bead Rekenrek is great for building n..

Adds a sensory element to visualizing math concepts. This 20-bead Sensory Rekenrek has grooves in th..

Practice counting, adding, and subtracting using the red and white beads, which are in 2 rows of 10 ..

Ideal for building number sense. Help children visualize number relationships, deepen understanding ..

Increase math fluency by developing number sense. The Mini 100-Bead Rekenrek is great for building n..