Additionsbräde med stänger Pärlmaterialet Used for calculating the square

Description

Used for calculating the square root and the lowest common denominator

This was brought to my attention by some students and then I decided to try to produce a bead material with square beads

På bilden visas uppgiften 5x2 vilket blir 5 pärlor 2 gånger på brädet

such as glass

senare för att konkretisera nedanstående regler

Additionsbräde med stänger Pärlmaterialet Used for calculating the squareAnvnds vid inlrning av addition med flera termer, brdet visar hur olika termer kan adderas och ge samma summa. En rd linje markerar summan 10, och kan anvndas fr att se hur mycket summan verstiger detta. Montessorimaterial fr matematik.

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