# Addition With Strip Board

From Montessori Album

Addition With Strip Board | |
---|---|

Math - Memory Work | |

Level | Primary |

Age | 4.5 |

Materials | Strip Board red and blue strips paper pencil |

This activity teaches the child...

## Contents

## Presentations

### Presentation One

- Take the material to a mat or table. The number strips can either be placed above or on either side of the board.
- "1+1"
- "One...
- "...plus one..."
- "...equals two."
- Write the answer on the paper.
- "One plus two..."
- "...equals three."
- Write the answer on the paper.
- Do the rest of the problems in the same way.

### Checking Answers

- Bring Addition Control Chart 1.
- Find the problem on the paper.
- Find the same problem on the chart. Compare answers.

### Presentation Three

- "Let's find all the ways to make 8."
- "1 plus what equals 8?"
- Count the remaining squares.
- Put in the appropriate strip.
- Write the equation on the paper.
- "2 plus what equals 8?" Count the remaining squares.
- Put in the appropriate strip.
- Write the equation on the paper.
- Do the rest in the same way.

## Points of Interest

## Control of Error

## Variations and Extensions

Children can come up with addition problems by rolling two 10-sided dice.

## Material

### Where to Buy

Thinkamajigs $25.95

Thinkamajigs $62.95 (AMI)