Mathematics / Year 4 / Measurement and Geometry / Shape

Version 8
View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
Curriculum content descriptions

Compare and describe two dimensional shapes that result from combining and splitting common shapes, with and without the use of digital technologies  (ACMMG088)

Elaborations
  • identifying common two-dimensional shapes that are part of a composite shape by re-creating it from these shapes
  • creating a two-dimensional shapes from verbal or written instructions
General capabilities
  • Literacy Literacy
  • Numeracy Numeracy
  • Critical and creative thinking Critical and creative thinking
  • ICT capability Information and Communication Technology (ICT) capability
ScOT terms

Irregular polygons,  Polygons

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2 direct matches to ACMMG088 | 3 other related resources

Online

reSolve: Authentic Problems: Expanded Square

  • TLF-IDM024876

This sequence of four lessons explores concepts around informal area and symmetry. Students design an 'expanded square' where approximately half the area of the original square is flipped to the outside. The lessons provide opportunities for students to devise and use methods to informally measure area, record their mathematical ...

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Online

reSolve: Geometry: Trapezium Pieces

  • TLF-IDM021834

This lesson explores different shapes that can be formed by cutting a trapezium in two with one straight line. Students are challenged to classify and name the shapes that are made, and justify their classifications based on the definitions and properties of shapes. The lesson is outlined in detail including curriculum ...

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Online

reSolve: Algebra: Triangle Inequality

  • TLF-IDM021835

This sequence of two lessons explores the triangle inequality theorem. Students are challenged to construct triangles with a given number of matchsticks, explore and record what combinations of sticks can create valid triangles and represent their findings using mathematical expressions. Each lesson is outlined in detail ...

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Text

Sizing Them Up

  • TLF-IDM020722

This resource is a web page containing a short task to explore area of irregular shapes by informal means. Arrange irregular shapes in size order smallest to largest. This resource is an activity from the NRICH website.

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Interactive

Finding the area of compound shapes

  • TLF-IDL383

Find the area of compound shapes based on rectangles on a grid. Explore how the formula works for finding a rectangle's area. First, estimate the area of a compound shape based on rectangles on a grid. Second, work out the correct formula for finding area by placing rows and columns of squares inside two rectangles. Then, ...

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