About this topic
Before you begin
Find missing lengths, calculate composite areas and perimeters, measure angles, and construct shapes using symmetry and side properties.
Learning goals
- Find a rectangle's missing dimension from its area or perimeter
- Find a square's side length from its area or perimeter
- Calculate the area of a plane figure
- Calculate the length of a plane figure's complete boundary
- Write a three-point name for a marked angle
- Identify a marked opening from a three-point angle name
- Measure an angle in degrees
- Draw an angle of a given size
- Identify line-symmetric figures
- Test proposed lines of symmetry
- Complete a symmetric figure on a square grid
- Draw a complete oblique cube sketch with a square front face and hidden edges
- Draw a complete oblique cuboid sketch with a non-square rectangular front face and hidden edges
- Draw a complete oblique triangular-prism sketch with matching ends and hidden edges
- Draw a complete square-based-pyramid sketch viewed from above its base
- Identify solids from their two-dimensional sketches
- Identify nets which form a specified solid
- Identify the solid formed by a given net
- Draw a rectangle with specified unequal sides
- Draw a square with a specified side
- Use side and angle properties of rectangles and squares
Syllabus statements covered
- Finding one dimension of a rectangle given the other dimension and its area/perimeter
- Finding the length of one side of a square given its area/perimeter
- Finding the area and perimeter of composite figures made up of rectangles and squares
- Using notation such as ∠ABC and ∠a to name angles
- Measuring angles in degrees
- Drawing an angle of given size
- Properties of rectangle and square, excluding diagonal properties
- Drawing rectangles and squares
- Identifying symmetric figures
- Determining whether a straight line is a line of symmetry of a symmetric figure
- Completing a symmetric figure with respect to a given line of symmetry on square grid
- Identifying 2D representations of
- Cube
- Cuboid
- Cone
- Cylinder
- Prism
- Pyramid
- Drawing 2D representations of
- Cube
- Cuboid
- Prism
- Pyramid
- Identifying the nets of 3D solids
- Cube
- Cuboid
- Prism
- Pyramid
- Identifying the solid which can be formed by a given net
Choose a lesson
Work through them in order.
- Not startedMissing sides and composite figuresNextFind missing sides, keep area or perimeter equal across changed rectangles, and distinguish inside joins from outside edges.
- Not startedMeasure and draw anglesNextName marked openings, choose the correct protractor scale and construct angles from horizontal or sloping arms.
- Not startedSymmetry and reflectionsNextIdentify symmetric figures, test proposed folds and draw a missing reflected half on a square grid.
- Not startedDraw solids and read their netsNextRead solid sketches, draw their edges and test how a net’s faces meet when folded.
- Not startedRectangle and square properties and constructionNextUse right angles and equal side lengths to draw and check a rectangle or square.