Shape and space · Usually met around P3
Parallel lines, quadrilaterals and triangles
From “Parallel lines” to “Colouring a map”, step by step, each skill with its methods, worked examples and answers.
Skills in this topic, easy to hard
- Parallel linesNever meeting, however far extended: parallel. On dot paper, compare the moves
- Parallelograms and trapeziumsTwo parallel pairs: parallelogram; one pair: trapezium
- Kinds of triangleCount the equal sides, then look for a right angle
- Three sides of a triangleThe two shortest together must beat the longest
- Curve stitchingThe two numbers add up to the number of points plus 1
- Colouring a mapA ring: even needs 2 colours, odd needs 3