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Assessment Resource Centre (ARC)

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1. Stage 2
2. Mathematics
3. Activities
4. 2D Shapes

## 2D Shapes

Midway through Stage 2 (end of Year 3) End of Stage 2 (end of Year 4)
New Work Samples
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Bobby
Taylor
Shane
Kendall
Jules
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Stacey
Casey
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Jordan

## Foundation Statement strands

The following strands are covered in this activity:

## Description of activity

Students complete a worksheet on 2D shapes. They identify the shapes and describe their features.

Extension:

1. Students draw three different shapes that each have four sides.
2. They include one irregular shape in their three shapes.
3. Students identify the shapes and compare their features.
The suggested time allocation for this activity is 30 minutes.

## Suggested materials

worksheet, pencil, ruler

## Prior learning

Students have identified 2D shapes including pentagons, octagons and parallelograms, and have described their features. They have discussed sides, angles and lines of symmetry.

## Outcomes

Two-dimensional Space (SGS2.2a)
Manipulates, compares, sketches and names two-dimensional shapes and describes their features.
Communicating (WMS2.3)
Uses appropriate terminology to describe, and symbols to represent, mathematical ideas.

## Criteria for assessing learning

Students will be assessed on their ability to:

• identify 2D shapes
• describe the features of 2D shapes
• communicate ideas using mathematical terminology and/or diagrams.