Rekentrappers
Onder de zoekterm 'clevermath' kan men allerei instructiefilmpjes terugvinden van de methode rekentrappers. Hieronder een voorbeeld van cirkelrekenen tot 100 zonder brug.
![cirkelrekenen aftrekken tot 100 - YouTube](data:image/png;base64,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)
https://www.youtube.com/watch?v=3t9y9THPwqI&list=PLTFTef_LyDvL500mbod2co7yPKmk68D9B
https://www.youtube.com/watch?v=3t9y9THPwqI&list=PLTFTef_LyDvL500mbod2co7yPKmk68D9B