Podknife - Addition and subtraction of the number 9 by Maths Challenge

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Addition and subtraction of the number 9

Podcast |: Maths Challenge
Publisher |: BBC
Media Type |: audio
Podknife tags |: Education,; K-12,; Mathematics
Categories Via RSS |: Education
Publication Date |: May 17, 2012
Episode Duration |: 00:14:15

Ralph van Dijk and side-kick Matrix have more questions to consolidate mental maths skills and the focus today is adding and subtracting the number 9.

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