Increase math fluency by developing number sense. The Mini 100-Bead Rekenrek is great for building number sense for numbers greater than 20. It encourages students to subitize, visualize number relationships, and strengthen their proficiency in addition, subtraction, multiplication, and division problems. Compact size means it fits nicely on a student’s desk. Great for building number sense for numbers greater than 20. Sturdy wood frame stands nicely on a desk, and compact size makes it easy to store. Includes Activity Guide. Details: Compact, color-coded, durable math tool Colors change at 50, highlighting that 100 is composed of 2 sets of 50 Shows a concrete, visual representation of operations For ages 3 and up Contents: 25 mini 100-bead Rekenreks 1 activity guide