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# Decimal System

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3. Mathematics
4. Decimal System

### Introduction to the Decimal System – Beads

Material A tray with 1 golden bead, 1 bar of 10 beads, 1 square of 100 (composed of 10 bars...

### Introduction to the Decimal System – Cards

Material A box of large number cards from 1 to 9000.The numbers are on a white or natural wood background...

### Formation of Numbers

Material A tray with golden beads – 9 units, 9 tens, 9 hundreds and 1 thousand. A set of large number...

Material Golden beads – 50 unit beads and a supply of tens, hundreds, and thousands. Most of the hundreds and thousands...

### Collective Exercises – Multiplication

Material Golden beads – 50 unit beads and a supply of tens, hundreds, and thousands. Most of the hundreds and thousands will be...

### Collective Exercises – Subtraction

Material Golden beads – 50 unit beads and a supply of tens, hundreds, and thousands. Most of the hundreds and thousands...

### Collective Exercises – Short Division

Material Golden beads – 50 unit beads and a supply of tens, hundreds, and thousands. Most of the hundreds and thousands...

### Collective Exercises – Long Division

Material Golden beads – 50 unit beads and a supply of tens, hundreds, and thousands.Most of the hundreds and thousands...

### Stamp Game Introduction

Material Small wooden squares, all the same size:Green squares with the symbol 1. Blue squares with the symbol 10.Red squares with...

Material Small wooden squares, all the same size: Green squares with the symbol 1. Blue squares with the symbol 10.Red squares with...

### Stamp Game Multiplication

Material Small wooden squares, all the same size:Green squares with the symbol 1.Blue squares with the symbol 10. Red squares...

### Stamp Game Subtraction

Material Small wooden squares, all the same size:Green squares with the symbol 1.Blue squares with the symbol 10. Red squares...

### Stamp Game Division

Material Small wooden squares, all the same size:Green squares with the symbol 1.Blue squares with the symbol 10.Red squares with...

### Dot Game

Material A board of paper with columns for categories from 1 to 10,000. Each column has a rectangular heading with...

### Word Problems

Material A selection of word problems which allow the child to use the four operations. The problems are readable and reflect...