5

1

Keywords:

3-dimensional shapes

area

triangles

volume

Students calculate the surface area and volume of a pyramid.

5

1

Keywords:

3-dimensional shapes

area

triangles

volume

Students calculate the surface area and volume of a pyramid.

5

1

Keywords:

area

composite shapes

triangles

Students calculate the total area of a deck and a deck with an extension.

5

3

Keywords:

area

triangles

Students calculate the height and base of two different triangles.

5

1

Keywords:

line segments

lines

reflection

symmetry

transformations

triangles

In a shape made up of triangles, students identify lines of symmetry for pairs of triangles and identify pairs of triangles which reflect through a line of symmetry.

3

1

Keywords:

reflection

transformations

triangles

visualising

Students identify what a shape plus its image will look like when reflected in a given mirror line.

5

0

Keywords:

angles

circles

isosceles

line segments

radius

tangents

triangles

Students use the angle between a tangent and a radius property and the base angles in an isosceles triangle property to find an unknown angle and to explain why line segments are of equal size.

5

1

Keywords:

angles

circles

diameter

interior angles

triangles

Students use the angle-in-a-semicircle property, and the sum of the angles in a triangle to find unknown angles.

3

0

Keywords:

2-dimensional shapes

rectangles

triangles

Students identify similar shapes of all sizes from a given drawing.

5

1

Keywords:

area

rectangles

triangles

Students compare the area of two different triangles.

5

2

Keywords:

alternate angles

angle properties

angles

parallel lines

triangles

Students use their knowledge of angle properties of parallel lines and angles on a straight line to identify similar angles and to calculate the sum of three angles giving appropriate explanations.

4

0

Keywords:

perimeter

rectangles

squares

triangles

Students calculate the perimeter of a range of 2-dimensional shapes.

3

3

Keywords:

right angled triangles

right angles

triangles

Students identify triangles that have a right angle and an angle greater than a right angle.

4

4

Keywords:

equilateral

isosceles

right angles

scalene

triangles

Students identify equilateral, isosceles, scalene and right angled triangles.

4

1

Keywords:

equilateral

isosceles

right angled triangles

right angles

scalene

triangles

Students identify the types of triangles made by everyday objects.

4

1

Keywords:

angles

circles

lines

triangles

In this practical task, students work in small groups to present a dance based on geometric concepts.

4

3

Keywords:

area

perimeter

problem solving

rectangles

squares

triangles

Students calculate the lengths and areas of a road sign.

5

3

3

Keywords:

2-dimensional shapes

shape properties

triangles

Student select shapes that are similar but not triangles and explain what makes them triangles or not.

5

1

Keywords:

area

composite shapes

hectares

rectangles

triangles

Students calculate the area of a composite shape.

4

2

Keywords:

2-dimensional shapes

circles

rectangles

triangles

Students write short paragraphs using geometrical terms to describe two pictures. The terms equilateral, scalene, and isosceles are to be used to describe a castle. The words circumference, diameter, and radius are to be used to describe a bicycle.

5

0

Keywords:

area

composite shapes

hectares

rectangles

triangles

Students calculate the area of a bush reserve in hectares.