
A comprehensive set of geometry reasoning warm-up activities designed to develop understanding of angles and shape properties in Year 5.
This resource includes a 10-step sequence of “Do you agree or disagree?” reasoning prompts, each presenting a mathematical statement based on common misconceptions related to geometry.
Pupils are encouraged to:
Decide whether a statement is true or false
Explain and justify their reasoning clearly
Use correct mathematical vocabulary
What’s included:
10 structured reasoning steps
A range of angle and shape-based statements
Opportunities for discussion and mathematical explanation
Covers:
Acute, obtuse and reflex angles
Estimating and measuring angles
Angle relationships
Properties of polygons
Regular and irregular shapes
Reasoning about shape definitions
How it can be used:
Maths lesson starters
Whole-class discussion prompts
Partner or group reasoning tasks
Assessment for learning
Suitable for Year 5 and lower Year 6.
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