# Bead Chains - 100 Chain

From wikisori

## Contents

### Age

3-6

### Materials

- A hundred chain made up of 10 Ten Bead Bars.
- A set of small labels, 1 through 9 in green, 10 to 90 in blue and 100 in red.
- 1 Hundred square.
- Floor mat.

### Preparation

### Presentation

- Directress places the materials on the floor mat.
- She starts by folding up the Hundred Chain into a square and puts it beside the Hundred square, and asks the child, "Do you think this is the same quantity?".
- Then the Directress invites the child, "Let's count".
- She begins to unfold the hundred chains, stretching it out and place them in a straight line.
- Directress begins to count the beads starting from 1,2,...10.
- When she reached 10, she places a marker saying 10 on the top and then begins to count the next 10 beads.
- At the next 10 beads she placse a marker saying 20 on the top and so on till she reach 100, counting 10,20,30 and so on.
- Then the Directress says, "This Hundred Chain makes a Hundred Square" and she pushes the Hundred Square to the end of the Hundred Chain where the marker says 100.

### Control Of Error

Directress guided.

### Points Of Interest

### Purpose

- Help the child to realize how much bigger one hundred are than one ten, and how much bigger one thousand is than one hundred.
- Help the child grasp the conservation of number and reversibility.
- Introduce the child to counting in tens.

### Variation