Year 7 Interactive Maths - Second Edition

Multiplication of Pronumerals

Similarly, if two pronumerals are multiplied the order does not matter. That is:

This is called the Commutative Law for Multiplication.

Example 6

Solution:

Note:

It is customary to write the multiplication of pronumerals in alphabetical order, as illustrated in parts c and d of Example 6.

Key Term

Commutative Law for Multiplication