The Sir Cumference books are a great resource for teaching geometry lessons! Set in the court of Camelot, each tale is actually a geometry lesson, with a mystery or dilemma that can only be solved with the aid of geometry knowledge and tools. Some books are great for introducing a concept, while others are best to use once students are familiar with the concepts covered.
Each of the main characters is cleverly named after geometry terms. There's:
- Sir Cumference, a knight in Camelot
- Lady Di of Ameter, his dutiful wife
- Radius, their brave and beloved son
- Perimeter, the cousin of Radius
- and others (including, of course, the legendary King Arthur)
In Primary Maths collection:
Time Matters by 
Exploring Space: Middle Primary by 
Exploring Measurement: Middle Primary
Targeting Maths: Geometry, Statistics and Probability: Middle Primary by 
Targeting Maths: Measurement: Middle Primary by 
Maths Centres Year 3 by 
Sir Cumference Classroom Activities by Measure, order and compare objects using familiar metric units of length, mass and capacity(ACMMG061)
Tell time to the minute and investigate the relationship between units of time (ACMMG062)
Make models of three-dimensional objects and describe key features (ACMMG063)
Create and interpret simple grid maps to show position and pathways (ACMMG065)
Identify symmetry in the environment(ACMMG066)
Identify angles as measures of turn and compare angle sizes in everyday situations(ACMMG064)
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