2D Shape

| Outcomes & Indicators | Interactive Activities | Smart Notebook Lessons | iPad Apps | Assessment Task |

Outcomes & Indicators
Early Stage One
SGES1.2: Manipulates, sorts and describes representations of two-dimensional shapes using everyday language.
Indicators:
  • Manipulate, sort and describe two-dimensional shapes.
  • Identify and name circles, squares, triangles and rectangles in pictures and in the environment, and presented in different orientations.
  • Represent two-dimensional shapes using a variety of materials.
  • Identify and draw straight and curved lines.
Stage One
SGS1.2: Manipulates, sorts, represents, describes and explores various two-dimensional shapes.
Indicators:
  • Identify, name, compare and represent hexagons, rhombuses and trapeziums presented in different orientations.
  • Make tessellating designs using flips, slides and turns.
  • Identify a line of symmetry.
  • Identify and name parallel, vertical and horizontal lines.
  • Identify corners as angles.
  • Compare angles by placing one angle on top of another.
Stage Two
SGS2.2a: Manipulates, compares, sketches and names two-dimensional shapes and describes their features.
Indicators:
  • Identify and name pentagons, octagons, and parallelograms presented in different orientations.
  • Compare and describe special groups of quadrilaterals.
  • Make tessellating designs by reflecting, translating and rotating.
  • Find all lines of symmetry for a two-dimensional shape.

SGS2.2b: Identifies, compares and describes angles in practical situations.
Indicators:
  • Recognise openings, slopes and turns as angles.
  • Describe angles using everyday language and the term 'right'.
  • Compare angles using informal means.
Stage Three
SGS3.2a: Manipulates, classifies and draws two-dimensional shapes and describes side and angle properties.
Indicators:
  • Identify right-angled, isosceles, equilateral and scalene triangles.
  • Identify and draw regular and irregular two-dimensional shapes.
  • Identify and name parts of a circle.
  • Enlarge and reduce shapes, pictures and maps.
  • Identify shapes that have rotational symmetry.

SGS3.2b: Measures, constructs and classifies angles.
Indicators:
  • Classify angles as right, acute, obtuse, reflex, straight, or a revolution.
  • Measure in degrees and construct angles using a protractor.

Interactive Activities

Guess the Shape - Basicguesstheshape1BUT.png
Guess the Shape - Polygons
guesstheshape2BUT.png
Shape Defniitionsshapeinteractives.png
Quadrilateral Questshapes2Dquads.png
Symmetryshapes2Dsymm.png
Reflect, rotate & translateshape2drotate.png
Tangrams
tangramBUT.png
Symmetrizer
symmetrizerBUT.png

Shape Sorter - Venn Diagram
shapesorter.png

Shape Reveal (ES1-S1)shapereveal.png
Rotational Symmetry
rotationalsymmetry.png

Shape Enlargements
shapeenlargements.png
Dick and Dom Shape Quest
dickdom2d.png
Rotate Translate
rotatetranslate.png



Angles
Banana Huntangles_banana.png
Measuring using a Protractorangles_measuring.png
Squirt the Dogangle_squirt.jpg
Make the Angleangles_protractor.png
Angle Activitiesangles_intactivities.png
Kung Fu Anglesangles_kungfu.png
Angle makeranglemaker.png
Alien Anglesalienangles.png
Mission Anglesmissionangles.png
Protractor Heroes
protectorheroes.png

Hitting the Target
anglesinsports.png
Angle matchanglematch.png

Smart Notebook Activities

File
Description

This file is designed for Stages 1 and 2. It introduces the flip (reflection), slide (transformation) and turn (rotation) using
a character called Motion Man. Students use the interactive tools to slide, rotate and flip the character according to
instructions.

An introduction to the basic angles - acute, obtuse and right angle. Suitable for Stage 2.

Introduction to formal angle names. Definitions and activities for practice.
Stage 2

Identifying lines of symmetry in dot patterns.
Stages 1-2

A simple introduction to symmetry of 2D shapes. Stage 1.

Introduces octagons. Investigates regular v irregular shapes.
Stage 1

Properties of 2D shapes, includes a section on regular v irregular shape. S1 - 2.

Revises basic 2D shapes and their properties before looking at the differences between regular and irregular polygons.
Stage1

Introduction to parallel lines. Find the parallel lines in the three drawings.
Stage 1

Identifying different types of lines. Stage 1

Activities using polyominoes. S2

Create different polygons by flipping, sliding and turning the shapes provided.

Try these tangram challenges.

Step by step directions on making your own tangram puzzle.

Stacks of activities and clues to remember the names and properties of all the different triangles. S3.

Stacks of activities and clues to remember the names and properties of all the different quadrilaterals. S2-3.

iPad Apps
Link
Cost
Description
geoboardapp.png
FREE
The Geoboard is a tool for exploring a variety of mathematical topics. Learners stretch bands around pegs to form line segments and polygons and make discoveries about perimeter, area, angles, congruence, fractions, and more.
tanzenBUT.jpg
FREE
Tanzen Lite is a great way to interact with the ancient Chinese tangram puzzles. The lite version gives you access to over 50 free puzzles. You can also try out the other apps Trizen and Zentomino.
symmetryshuffleapp.png

$1.99
Symmetry Shuffle is a great app to not only improve your understanding of symmetry but it can be played as a timed challenge mode and requires some problem solving skills. Definitely worth the $2!



Assessment Tasks

File
Description


Stage 1 - Symmetry
This task requires students to create a design using two, three or four pattern blocks. They create a two-dimensional representation of the design by tracing around it on the worksheet, placing one edge of their design on the line of symmetry provided. Students flip their design into the flip design section of the worksheet and trace around it. They describe in writing the shapes they used and what they did to flip the design.