Only two matrices of the same order can be added or subtracted.

## Software/Applets used on this page

## Glossary

### union

The union of two sets A and B is the set containing all the elements of A and B.

## This question appears in the following syllabi:

Syllabus | Module | Section | Topic | Exam Year |
---|---|---|---|---|

AQA A-Level (UK - Pre-2017) | FP1 | Matrix algebra | Matrix arithmetic | - |

AQA AS Further Maths 2017 | Pure Maths | Matrices and Transformations | Matrix Arithmetic | - |

AQA AS/A2 Further Maths 2017 | Pure Maths | Matrices and Transformations | Matrix Arithmetic | - |

CBSE XII (India) | Algebra | Matrices | Operations, addition, multiplication and transpose | - |

CCEA A-Level (NI) | FP1 | Matrix algebra | Matrix arithmetic | - |

Edexcel A-Level (UK - Pre-2017) | FP1 | Matrix algebra | Matrix arithmetic | - |

Edexcel AS Further Maths 2017 | Core Pure Maths | Matrices | Matrix Arithmetic | - |

Edexcel AS/A2 Further Maths 2017 | Core Pure Maths | Matrices | Matrix Arithmetic | - |

Methods (UK) | M5 | Matrix algebra | Matrix arithmetic | - |

OCR A-Level (UK - Pre-2017) | FP1 | Matrix algebra | Matrix arithmetic | - |

OCR AS Further Maths 2017 | Pure Core | Matrix Basics | Matrix Arithmetic | - |

OCR MEI AS Further Maths 2017 | Core Pure A | Matrix Basics | Matrix Arithmetic | - |

OCR-MEI A-Level (UK - Pre-2017) | FP1 | Matrix algebra | Matrix arithmetic | - |

Pre-Calculus (US) | E2 | Matrix algebra | Matrix arithmetic | - |

Scottish Advanced Highers | M3 | Matrix algebra | Matrix arithmetic | - |

Scottish (Highers + Advanced) | AM3 | Matrix algebra | Matrix arithmetic | - |

Universal (all site questions) | M | Matrix algebra | Matrix arithmetic | - |

WJEC A-Level (Wales) | FP1 | Matrix algebra | Matrix arithmetic | - |