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Grade 3 - Shape and Space

Standard 3.SS.5 - Given the perimeter of a figure, calculate the missing side.

Included Skills:

Demonstrate an understanding of perimeter of regular and irregular shapes by:
estimating perimeter using referents for centimetre or metre
measuring and recording perimeter (cm, m)
constructing different shapes for a given perimeter (cm, m) to demonstrate that many shapes are possible for a perimeter.

Achievement Indicators
Students who have achieved this outcome(s) should be able to:
- Measure and record the perimeter of a given regular shape, and explain the strategy used.
- Measure and record the perimeter of a given irregular shape, and explain the strategy used.
- Construct a shape for a given perimeter (cm, m).
- Construct or draw more than one shape for the same given perimeter.
- Estimate the perimeter of a given shape (cm, m) using personal referents.

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