A starter on converting miles to kilometres for Year 6 maths. Pupils use the 5:8 rule to complete a conversion table, change a 50 mph speed limit into kilometres per hour, and settle an argument about whether a 10 km fun-run beats a 6-mile race. True-or-false reasoning is built in. Answer key with explanations included. Matched to the England National Curriculum miles-and-kilometres objective.
Measurement
“Convert between miles and kilometres”
Every question applies the 5 miles to 8 km relationship in a real context.
A 5:8 conversion table plus doubling questions like 20 miles from 10 miles is 16 km.
Speed limits, an Edinburgh road sign, and true-or-false claims to justify.
Solutions with explanations for the reasoning questions.
Lesson starter
The conversion table opens a lesson on the 5:8 relationship.
Reasoning practice
The fun-run question asks pupils to justify, not just calculate.
Retrieval practice
Bring back before SATs; miles and kilometres is an easy fact to forget.
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