Multiples and factors. Prime numbers

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Posa-ho a la teva web

Posa-ho a la teva web

INTEF

Numbers that appear in each window are generated at random. This allows you to use the window indefinitely and practise a lot of different exercises. Numbers consist of only one or two figures so the calculations can easily be done mentally. Magic squares are used in the exercises, however the main objective of this unit is to learn things about natural numbers.

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publisher INTEF 16/01/2026 publisher INTEF . 16/01/2026 publisher INTEF 16/01/2026 author Eduardo Barbero Corral 16/01/2026 publisher Instituto de Tecnologías Educativas (ITE) 16/01/2026 editor Instituto de Tecnologías Educativas (ITE) 16/01/2026 technical validator Mª Ana López Montes 16/01/2026 technical validator Eduardo Barbero Corral 16/01/2026