## Abstract

Only few mathematics textbooks were developed in Icelandic during 1930–1966, and

the model textbooks in use were originally developed in the 1920s. In 1966, Iceland

was hit by an international school-mathematics reform movement, the New Math.

The learning material, which was introduced at the arrival of the movement until the

1970s, was all of foreign origin except one textbook. The author of that textbook,

denoted Tölur og mengi [Numbers and sets], was main actor in the introduction of the

New Math, Guðmundur Arnlaugsson, duly supported by his colleague, Björn Bjarnason.

In the paper, their way of introducing the new ideas and the methods they used

will be described. Among their tools is the textbook which later influenced other

mathematics textbooks for adolescents after the peak of the New Math wave.

the model textbooks in use were originally developed in the 1920s. In 1966, Iceland

was hit by an international school-mathematics reform movement, the New Math.

The learning material, which was introduced at the arrival of the movement until the

1970s, was all of foreign origin except one textbook. The author of that textbook,

denoted Tölur og mengi [Numbers and sets], was main actor in the introduction of the

New Math, Guðmundur Arnlaugsson, duly supported by his colleague, Björn Bjarnason.

In the paper, their way of introducing the new ideas and the methods they used

will be described. Among their tools is the textbook which later influenced other

mathematics textbooks for adolescents after the peak of the New Math wave.

Original language | English |
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Title of host publication | Mathematics textbooks, their content, use and influences |

Subtitle of host publication | Research in Nordic and Baltic countries |

Editors | Barbro Grevholm |

Place of Publication | Oslo |

Publisher | Cappellen Damm Akademisk |

Chapter | 4 |

Pages | 71-93 |

Number of pages | 13 |

ISBN (Print) | 978-82-02-56629-6 |

Publication status | Published - 2017 |