Two Dimensional Shapes
Level 2: make, name, and describe, using their own language and the language of geometry, everyday shapes and objects.
Level 3: describe the features of 2-dimensional shapes, using the language of geometry.
Level 4: construct triangles and circles, using appropriate drawing instruments. (drawing loci (the paths of objects moving in space) including the flight path of balls,
the locus of points which are a fixed distance from a given point (circle), a given straight line (a parallel line), and a circle (a concentric circle)).
Level 5: construct right angles, parallel and perpendicular lines, circles, simple polygons, medians, mediators, altitudes, and angle bisectors.
Level 6: explore and describe a locus formed in a practical situation.
Support
(Level 2-3)
Main
(Level 4-5)
Extension
(Level 5)
Lesson 1
Lesson 2
Lesson 3
LO:
LO:
LO:

Name the common polygons

classify polygons using properties such as
number of right-angles, whether they are
regular, symmetry properties

classify polygons using properties such as
number of right-angles, whether they are
regular, symmetry properties
“Pick the Polygons”
“Puzzle 2” (Remedial Maths)
Discuss the meaning of Regular
“Reasoning about Shape I”
“Reasoning about Shape II”
SC: Can name 3, 4, 5, 6 and 8 sided polygons. Can
identify regular and irregular polygons.
SC: Can use a Carroll Diagram to record classification
of polygons
SC: Recognize that the number of lines of reflective
symmetry in a regular shape is equal to the number of
sides
LO:
LO:
LO:

Construct circles and shapes consisting of
circles and their parts

Know the language associated with circles
(sector, arc, segment, perimeter,
circumference, semicircle, concentric)
Use a pair of compasses to
Construct the three types of triangle
(equilateral, isosceles, scalene)

Construct a rhombus, a kite and a
parallelogram.

Construct a hexagon.


Explore and describe loci formed in
a practical situation
“Loci Outdoors”
You will need a couple of tape-measures
Give notes on circle vocabulary
Use “Olympic Rings” , “Some ideas for circle
constructions” and “circle patterns”
“Triangles Construction lesson”
SC: Can draw a circle/arc of circle with accuracy
SC: Can construct a triangle with sides 7,
8 and 10 cm.
SC: Can define locus from a fixed point, line, and
perpendicular bisector (and “equidistant”)
LO:
LO:
LO:

Construct circles and shapes consisting of
circles and their parts

Know the language associated with circles
(sector, arc, segment, perimeter,
circumference, semicircle, concentric)
Give notes on circle vocabulary
Use “Olympic Rings” , “Some ideas for circle
constructions” and “circle constructions
SC: Can recite the definitions for the above vocab.

Construct circles and shapes consisting of
circles and their parts
Labyrinths – see power point presentation
Construct a Cretan labyrinth
SC: Can successfully construct a Cretan labyrinth
with arcs of circles
Use a pair of compasses to
Construct the three types of triangle
(equilateral, isosceles, scalene)

Construct a rhombus, a kite and a
parallelogram.

Construct a hexagon.

“Triangles Construction lesson”
SC: Can construct a triangle with sides 7, 8
and 10 cm.
Support
(Level 2-3)
Lesson 4
Lesson 5
Lesson 6
LO:
LO:
Play with tangrams and “alternative
tangrams” (No learning outcome!)

Classify triangles according to
their properties
“Properties of Triangles”
SC: Can name and classify triangles.
Main
(Level 4-5)

Use a pair of compasses to
Construct the three types of triangle
(equilateral, isosceles, scalene)
“Triangles Construction lesson”
Tangrams
“Tangram Puzzles”
See Tangram Flash app or tangram.ppt
SC: Can name a triangle with sides 7, 8 and
10 cm.
LO:
LO:

Construct right angles, perpendicular lines, and angle bisectors.
Construct perpendicular bisector, right angle, angle bisector, 60o, 30o angles
“Ice cream sellers’ problem”

Follow instructions involving
constructions to create a design
“Tangram constructions” (NB needs
construction for parallel through a point)
SC: Can construct a square using compass and ruler.
SC: Constructs the tangram design
accurately
Extension
(Level 5)
LO:
LO:

Explore and describe loci formed in
a practical situation

Construct right angles, parallel and perpendicular lines, medians, mediators,
altitudes, and angle bisectors
“Loci Outdoors”
You will need a couple of tape-measures
Complete the above constructions
“Ice cream sellers’ problem”
SC: Can define locus from a fixed point,
line, and perpendicular bisector (and
“equidistant”)
SC: Can perform the above constructions, given the steps to follow.
Lesson 7
Lesson 8
Lesson 9
Play with tangrams and “alternative
tangrams” (No learning outcome!)
LO:
LO: Give instructions to create a design
Support
(Level 2-3)
Main
(Level 4-5)
“Tangram Puzzles”
See Tangram Flash app or tangram.ppt
Follow instructions involving
constructions to create a design
“Logo construction”

“Design a company logo”
(Need to explain “translate”)
SC: Successfully constructs logo
accurately
Extension
(Level 5)
LO:

Follow instructions involving
constructions to create a design
Play with tangrams and “alternative
tangrams”
SC: A second student can successfully
reconstruct the original drawing.
LO:

Follow instructions involving
constructions to create a design
“Tangram Puzzles”
See Tangram Flash app or tangram.ppt
“Tangram constructions”(NB needs
construction for parallel through a point)
“(Need to explain “translate”)
Logo construction”
SC: Constructs the tangram design
accurately
SC: Successfully constructs logo
accurately
Lesson 10
Support
(Level 2-3)
Main
(Level 4-5)
Extension
(Level 5)
LO: Give instructions to create a design
“Design a company logo”
SC: A second student can successfully
reconstruct the original drawing.
Lesson 11
Lesson 12