圓周率

Roll the circle to "straighten out" the circumference. Then use the diameter tool to determine the number of diameters in one circumference.

 

Ms NG Pui Kwan —

 
Type de ressources
Activité
Balises
circle  circumference  diameter  exploration  lesson  perimeter  pi  practice  ratio 
Tranche d'âges
11 – 14
Langue
English
 
 
 
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