# Plans, Solids & Elevation

## 3 files29/05/2016

(a) Draw the front elevation, side elevation and plan from a 3D shape, and vice versa.

(b) Draw 3D shapes on an isometric grid.

(c) Identify planes of symmetry for 3D solids and determine the number of planes of symmetry for common 3D solids, e.g. cube, cuboid, regular tetrahedron.# Inequalities

## 2 files29/05/2016

(Used for Tiffin Year 9 Scheme of Work)

(a) Solve algebraic inequalities (linear only).

(b) Combine multiple inequalities into one.

(c) Illustrate inequalities (for one variable only) on a number line.

Does NOT cover 2D regions representing inequalities.# Proof

## 2 files12/05/2016

Covers the principle of counterexamples as well as proofs to do with even/oddness, consecutive numbers and digits. For high ability students.

# Units

## 1 files12/05/2016

Covers metric to imperial conversions.