Manitoba Historical Society
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Memorable Manitobans: Celia Marsha Baron (1945-2016)

Math educator.

Born on 27 August 1945 to parents William and Freeda Baron she completed her secondary education at Peretz Folk School, Luxton School and St. John’s High School in Winnipeg. She completed her post-secondary education, including a BSc (Honours) degree in mathematics (1967), MSc and MEd degrees at the University of Manitoba. In 1996 she founded Mathimagine, an educational consultancy with a focus on developing and publishing innovative materials for the teaching of early numbers. Over her career as a math educator she taught and tutored math, led workshops and professional development events for teachers across North America, developed and published resources and helped to write the math curriculum for Manitoba schools. Selected publications include Thinking Strategies (Portage and Main Press), Brain Sizzlers: Puzzles for Critical Thinkers (Good Year Books) and Time for Times: A Resource for Building of the Multiplication Facts (Mathimagine). Her ‘Cross Number’ books, collections of discovery puzzles and games, are now used by math educators around the world. She also published more than two hundred puzzles for Math Power Magazine and Puzzlemania Magazine. In recognition of her contributions to the development of math education in Manitoba schools, in 2015 she was awarded the Murray McPherson Award. She died on 9 July 2016.


“U of M to grant degrees, diplomas May 25-26,” Winnipeg Free Press, 18 May 1967, page 10.

Obituary, Winnipeg Free Press, 16 July 2016.

The mighty and the colourful,” Winnipeg Free Press.

Cross-Number Discovery Puzzles & Games.

This page was prepared by Mallory Light.

Page revised: 13 January 2017

Memorable Manitobans

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