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Length and perimeter: measuring, comparing and calculating
This guide provides a sequence of steps for exploring length and perimeter using metric standard units of millimetres, centimetres and metres. Tasks embed reasoning and problem-solving opportunities.
|Year level(s)||Year 3, Year 4, Year 5|
|Purpose||Teaching resource, Teaching strategies|
|Teaching strategies and pedagogical approaches||Questioning, Explicit teaching|
|Keywords||length, perimeter, measurement, millimetre, centimetre, metre, equivalence, reasoning, explicit teaching|
|Strand and focus||Number, Measurement, Build understanding|
|Topics||Addition and subtraction, Length, Using units of measurement|
|AC: Mathematics (V9.0) content descriptions||
Identify which metric units are used to measure everyday items; use measurements of familiar items and known units to make estimates
Interpret unmarked and partial units when measuring and comparing attributes of length, mass, capacity, duration and temperature, using scaled and digital instruments and appropriate units
Choose appropriate metric units when measuring the length, mass and capacity of objects; use smaller units or a combination of units to obtain a more accurate measure
Solve practical problems involving the perimeter and area of regular and irregular shapes using appropriate metric units
Understanding units of measurement (P6, P7, P8)
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