Maths

Stretch – Conversion Graphs

Stretch (independent-school 11+): read and draw conversion graphs (miles–km, £–€, °C–°F) and use them to convert both ways.

MathsAge 11+25 minutes

What this topic covers

  • Read a conversion graph both ways by tracing to the line.
  • Draw a conversion graph from two known pairs, as a straight line.
  • Convert values beyond the graph by scaling, and recognise the origin (0, 0) when both scales start at zero.

Core concept summaries

Key ConceptsReading Both WaysDrawing OneBeyond the Graph; the Read-Off Trap

Practice formats pupils may meet

NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.

clozematchingquiz

Example quiz question

Convert 20 miles using a 5 : 8 graph.

  1. 12.5 km
  2. 32 km
  3. 25 km
  4. 20 km
Show the answer

Answer: B. 32 km

× 1.6.