Copyright Notice

Copyright © 2025 by The Alberta Teachers’ Association (ATA), 11010 142 Street NW, Edmonton, AB T5N 2R1. Permission to use or to reproduce any part of this publication for classroom purposes, except for articles published with permission of the author and noted as “not for reproduction,” is hereby granted. delta-K is published by the ATA for the Mathematics Council (MCATA). EDITOR: Lorelei Boschman, e-mail lboschman@mhc.ab.ca.

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Document Production staff, ATA. Opinions expressed herein are not necessarily those of MCATA or of the ATA. Address correspondence regarding this publication to the editor.

delta-K is indexed in CBCA Education. ISSN 0319-8367

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