YEAR 8 : shape, space and measures

• Use correct vocabulary and labelling conventions

• Identify alternate angles and corresponding angles

• Identify parallel and perpendicular lines

• Know the sum of angles in a triangle
• Know the sum of angles at a point
• Know the sum of angles on a straight line

• Understand a proof that angles in triangle add up to 180º
• Understand proof that angles in quadrilaterals add to 360º
• proof that ext. angle of triangle = sum of opp. int. angles

• Recognise vertically opposite angles

• Begin to use properties of shapes to solve problems

• Know and use properties of shapes to solve problems

• Know properties of congruent shapes

• Know/use properties of cuboids and composite shapes

• Use 2-D representations to visualise 3-D shapes

• Begin to use plans and elevations

• Understand the language and notation

• Transform 2-D shapes by combinations of transformations

• Reflection in given mirror lines

• Line and rotational symmetry

• Identify all the symmetries of 2-D shapes

• Translation

• Rotation about a given point

• Explore transformation and symmetries using ICT

• Understand/use the language and notation of enlargement
• Enlarge 2-D shapes, given centre and +ve scale factor
• Explore enlargements using ICT

• Make simple scale drawings

• Use convention and notation - all four quadrants

• Find co-ordinates of points from geometric information

• Given the co-ords of A and B, find the midpoint of AB

• Measure and draw lines to the nearest mm

• Measure and draw angles to the nearest degree (all types)

• Construct the midpoint and perpendicular bisector
• Construct the bisector of an angle
• Construct the perpendicular from a point to a line
• Construct the perpendicular from a point on a line

• Construct triangles (ASA or SSA)

• Construct triangles (SSS)

• Find simple loci to produce shapes and paths

• Construct nets of simple shapes using ruler and protractor

• Explore constructions using ICT

• Use ICT to explore constructions

• Use names and abbreviations of units 
• Estimate, calculate and solve problems in contexts

• problems involving length 
• problems involving area
• problems involving volume and capacity
• problems involving mass
• problems involving time

• Convert one metric unit to another

• Know rough metric equivalents of imperial measures

L&W lemon meringue pie

• Read and interpret scales on a range of equipment

• Distinguish between acute, obtuse and reflex angles
• Estimate the size of any angle

• Use bearings to specify direction
• problems involving angles and bearings

• Calculate perimeters of shapes made from rectangles

• Calculate areas of shapes made from rectangles

• Deduce and use formula for the area of a triangle
• Deduce and use formula for the area of a parallelogram
• Deduce and use formula for the area of a trapezium
• Calculate areas of compound shapes

• Calculate the surface area of cubes and cuboids

• Know and use formula for the volume of a cuboid

• Calculate s.area and volumes of cuboids and composites