Problem (Page 88). In a group of nine coins, eight weigh the same ...

44 3. WHOLE NUMBERS: OPERATIONS AND PROPERTIESDivision – two conceptual ways of viewing:Sharing (partative) division – breaking a group of objects into a specified numberof groups (at the beginning, the number of groups is known, but the groupsize isn’t).Measurement division – breaking a group of objects into a number of groupsof a specified size (at the beginning, the size of each group is known, but thenumber of groups isn’t)Missing factor approachDefinition.If a and b are any whole numbers with b 6= 0, then a ÷ b = c if and only ifa = bc for some whole number c.a is called the dividend, b is called the divisor, and c is called the quotient.