Module 3 Constructions
Teacher Guide Lesson Resources Lesson Plans Exam Questions Probing Questions

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Module Grade Topic

Description

3

1

1

Use a wider range of measures including non-standard units and standard metric units of length, capacity and mass in a range of contexts. Read scales graduated in 2, 5, 10, 20, 25, 100, 0.1;

 

 

 

Converting between Metric Units

Lesson

Homework

 

 

 

 

3

2

2

Measure and draw angles to the nearest degree; distinguish between acute, obtuse, reflex and right angles.

 

 

 

 

 

 

 

 

 

 

3

3

3

Construct triangles using a ruler and protractor only given information about their sides and angles; use a straight edge and compasses to construct triangles with given sides including equilateral triangles. 

 

 

 

Constructing Triangles with Ruler and Protractor

Lesson

Homework

 

 

 

 

3

4

4

Construct triangles and other 2-D shapes using a ruler and a protractor, given information about their sides and angles; construct inscribed regular polygons; construct nets of cubes, regular tetrahedra, square-based pyramids and other 3-D shapes.

 

 

 

Constructing Shapes with Compasses

Lesson

Homework

Video 1

 

 

 

 

 

 

 

 

Video 2

Video 3

 

 

 

3

4

5

Analyse 3-D shapes through 2-D projections and cross-sections, including, planes of symmetry, plans and elevations. (Not including the use of isometric grids)

 

 

 

Plans and Elevations

Lesson

Homework

Video

Video

Exam Q

Answers

3

5

6

Apply loci to spatial problems involving shapes and paths; use straight edge and compasses to produce standard constructions including the midpoint and perpendicular bisector of a line segment, the perpendicular from a point to a line, and the bisector of an angle.

 

 

 

Drawing Loci

Lesson

Homework

Video 1

Video

Exam Q

Answers

 

 

 

 

 

Video 2

Video 3

 

 

 

3

7

7

Find the locus of a point that moves according to a more complex rule, both by reasoning and by using ICT

 

 

 

 

 

 

 

 

 

 

3

8

8

Understand and use SSS, SAS, ASA and RHS condition to prove the congruence of triangles; verify standard ruler and compass constructions; use congruence to show that translations, reflections and rotations preserve length and angle.

 

 

 

Congruent Triangles

Lesson

Homework