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Assessment Resource Centre (ARC)

• Commentary

## Halves - Lesley : Commentary

### Other Work Samples for:

Lesley has demonstrated a basic understanding of the concept of equal halves. The playdough has been divided into two equal parts but, despite being able to articulate the concept of halving, Lesley was initially unable to demonstrate this. With teacher prompting, the two halves were confirmed as equal by a process of trial and error. To develop further, Lesley should be exposed to more modelled concrete activities and encouraged to demonstrate mathematical reasoning and use mathematical language. This work sample demonstrates characteristics of work typically produced by a student performing below the expected standard at the end of Kindergarten.

## Foundation Statement strands

The following strands are covered in this activity:

• Working Mathematically
Students ask questions and explore mathematical problems. They use everyday language, materials and informal recordings to demonstrate understanding and link mathematical ideas.
• Space and Geometry
Students manipulate, sort and describe 3D objects using everyday language. They manipulate, sort and describe 2D shapes, identifying circles, squares, triangles and rectangles. Students give and follow simple directions and describe position using everyday language.
• Number
Students count to 30 and represent numbers to 20 with objects, pictures, numerals and words and read and use ordinal numbers to at least ‘tenth’ place. They manipulate objects to model addition and subtraction, multiplication and division. Students divide objects into two equal parts and describe them as halves. They recognise coins and notes.