Task Name : Factor Trees  Task Level : H (Year 7)  
Semester : 1  Topic : Factors and Multiples  VC Strand : Number and Place Value  
Web Address : http://maths.crusoecollege.vic.edu.au/npvH  
Equipment Needed : Poster paper  
Victorian Curriculum outcome : Investigate index notation and represent whole numbers as products of powers of prime numbers  
Task description : Students choose five numbers between 10 and 100 that are not prime numbers. They break them down into powers of prime numbers using number trees. Each number should be expressed three ways – as a factor tree, as the product of powers of prime numbers, and as an array.  
Assessment options : Photograph of completed work.  
Teacher notes : Student Example: Below student did not receive full marks, but the reflection was nicely done and could serve as an example of both what to do and what not to do.
