Te reo Māori terms
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Learning objective overview
Master Teaching Guide coverage for this objective.
Current NZC (2007)
GM5-4
New NZC (2026)
NZC26-P4-MEA-MEA-P-Y9-03NZC26-P4-MEA-MEA-P-Y9-05NZC26-P4-MEA-MEA-K-Y9-07
Resources
- CorbettMaths worksheet on perimeterQuestions PDF · Answers
- CorbettMaths worksheet on circumference of circlesQuestions PDF · Answers
Terminology
- perimeter
- circumference
- radius
- diameter
- pi (π)
- composite shapes
- compound shapes
Task goals
- Calculate the perimeter of polygons with straight edges by summing the lengths of all sides.
- Understand and apply the relationship between diameter and radius in circles.
- Calculate the circumference of circles using the formulas C = πd or C = 2πr.
- Find the perimeter of composite shapes by identifying component shapes and combining their perimeters.
- Solve problems involving the perimeter of shapes with curved edges (semicircles, quarter circles) combined with straight edges.
- Apply perimeter calculations to real-world contexts and problem-solving scenarios.
Where this fits
What leads into this objective, and where it goes next.
Before
Measurement applications: arcs and sectors
NCEA Numeracy Co-Requisite: Everyday Problem Solving
Converting units
You are here
Perimeter (including circles)
Do
Finding: the perimeter of 2D shapes; the circumference of circles; the area of parallelograms, trapeziums, and kites, relating the formulae used to the formula for a rectangle
Statement▸
Year 9 · Measurement · Measuring
NZC26-P4-MEA-MEA-P-Y9-03
Do
Calculating the perimeter of half circles and quarter circles
Statement▸
Year 9 · Measurement · Measuring
NZC26-P4-MEA-MEA-P-Y9-05
Also under GM5-4:
For teachers
Need the fuller teaching notes for this objective? Open the Teacher guidance PDF.