2 Dimensional Spatial Structure
S2 Area
Aligned to the NSW Syllabus for The Australian curriculum ((https://educationstandards.nsw.edu.au/wps/portal/nesa/home)
- outcomes and content listed below
- outcomes and content listed below
Finding the area of compound shapes - scootle
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Area Builder - phet colorado
Area Blocks - mathplayground
Area Shape Game - sheppard (refers to feet & inches initially)
Perimeter Shape Game - sheppard (refers to feet & inches initially)
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Area & Perimeter Explorer - toytheater
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Syllabus Outcomes
MAO-WM-01 Develops understanding and fluency in mathematics through exploring and connecting mathematical concepts, choosing and applying mathematical techniques to solve problems, and communicating their thinking and reasoning coherently and clearly
MA2-2DS-03 Estimates, measures and compares areas using square centimetres and square metres
MA2-2DS-03 Estimates, measures and compares areas using square centimetres and square metres
Content
Two-dimensional spatial structure A
Area: Use square centimetres to measure and estimate the areas of rectangles
Area: Measure the areas of shapes using the grid structure
Area: Use square centimetres to measure and estimate the areas of rectangles
- Create the array structure of area using squares (1 cm × 1 cm) in rows and columns
- Recognise that area can be measured in square centimetres
- Discuss strategies to estimate area in square centimetres
- Explain how the grid structure of rows and columns helps to find the area (Reasons about spatial structure)
- Estimate and measure the areas of squares and rectangles (within the range of 100 square centimetres)
- Record area in square centimetres using numerals and words
- Use efficient strategies for counting large numbers of square centimetres
- Recognise the need for a formal unit larger than the square centimetre to measure area
- Construct a square metre and use it to measure the areas of large squares and rectangles
- Recognise that an area of one square metre need not be a square (Reasons about spatial structure)
- Record areas in square metres using numerals and words
- Estimate the areas of squares and rectangles in square metres
Area: Measure the areas of shapes using the grid structure
- Measure the areas of rectangles and right-angled triangles using a square-centimetre grid overlay
- Estimate the areas of shapes found in the environment using efficient strategies (non-count-by-one) with a grid overlay
- Recognise that rectangles with different side lengths can have the same area
- Estimate before measuring to determine the larger of 2 rectangular areas in square centimetres
- Estimate before measuring to determine the larger of 2 rectangular areas in square metres
updated Feb 2023
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