Fraction Division1: a ÷ b (Partitive)

(a) How many pizzas will each people receive if 1 pizza is divided among:   (i) 2 people;  (ii) 3 people; (iii) 4 people? (b) How many pizzas will each people receive if each of the following numbers of pizzas are divided among 3 people?   (i) 2 pizzas  (ii) 4 pizzas (iii) 5 pizzas In general, how would you calculate a ÷ b ?
Anthony Or. Education Bureau, Hong Kong. (中文版:http://www.geogebratube.org/student/m14540) orchiming@gmail.com