# Subtraction With the Stamp Game

From Montessori Album

Subtraction With the Stamp Game | |
---|---|

Math - Arithmetical Operations | |

Level | Primary |

Age | 5+ |

Prerequisites | Understanding of Decimal System |

Materials | Stamp Game Box pencil green pencil blue pencil red pencil |

This activity teaches the child to do subtraction problems at a higher level of abstraction.

## Contents

## Presentations[edit]

### Static Subtraction[edit]

- Take the material to a table. No divider line is needed for subtraction.
- Write out the problem.
- Lay out the stamps for the first number (the minuend).
- Slide down the unit stamps for the second number (the subtrahend). Record the amount of unit stamps still left at the top.

Then do the same for the tens, then the hundreds, then the thousands.

### Dynamic Subtraction[edit]

- step one
- step two, etc.

## Points of Interest[edit]

## Control of Error[edit]

## Variations and Extensions[edit]

## Material[edit]

### Make Your Own[edit]

Stamp Game tiles in color | Stamp Game tiles in black and white | Math Problem Paper |

### Where to Buy[edit]

Absorbent Montessori $47.00

Adena $18.87

Affordable Montessori $29.00

Albanesi $142.00

Alison's $35.00

Bruins $89.00

E & O $48.00

ETC Montessori $89.00

IFIT $25.00

Juliana Group $117.18

Jump Start $14.24

Material Company of Boston $78.00

Mindset $113.66

Mindset $44.46

Montessori Concepts $22.00

Montessori N' Such $50.00

Montessori Outlet $26.95

Montessori Stores $98.00

Nienhuis $97.70

Thinkamajigs $31.95

merocomontessori $30.1 (Stamp Game With box)

**Decimal Stamp Game Sets**

Alison's $45.00

Mindset $71.84

Nienhuis $97.70