Bead Bars for Ten Boards (C Beads) number-cards Each chain adds up to

Each chain adds up to the square of the bead bar

The purpose of this material is to develop child's visual perception of dimension

The first working chart later becomes the control chart for the child to correct their work with the blind chart

It also provide experiences in matching and grading

Bead Bars for Ten Boards (C Beads) number-cards Each chain adds up toTwo compartment wooden box containing 9 golden ten bars and 10 golden unit beads. With the Tens Boards, the child explores the number names of the tens and the sequence of numbers 1 99. Bead quantities are created from the ten bars and the unit beads in the Tens Bead Box and are associated with the corresponding numeral on the Tens Board. Features C Beads are 8 mm plastic, wired with stainless steel. The bead colour matches our W Beads. Box