Te reo Māori terms
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Learning objective overview
Master Teaching Guide coverage for this objective.
Current NZC (2007)
GM4-3
New NZC (2026)
NZC26-P4-MEA-MEA-P-Y9-03NZC26-P3-MEA-MEA-K-Y7-05NZC26-P3-MEA-MEA-P-Y7-02
Resources
- Alpha textbook: Perimeter in Ex 23.08, pgs 370 & 371
- CorbettMaths worksheetQuestions PDF · Answers
- Beta: Skills in Ex 15.01, 15.04, 15.05, pg 280, 288, 290
- Beta: Various from chapter 15
Terminology
- perimeter
- side
- polygon
- regular polygon
- irregular polygon
- square
- rectangle
- parallelogram
- triangle
- kite
Task goals
- Find the perimeter of a square or rectangle by summing (or doubling and adding) its given side lengths.
- Find the perimeter of a triangle, given all three side lengths, including scalene, isosceles, and equilateral triangles.
- Find the perimeter of a regular polygon (pentagon, hexagon, or octagon) by multiplying its side length by the number of sides.
- Find the perimeter of a rectangle given its length and width in centimetres, and convert the answer to metres.
- Find the new perimeter of a rectangle after every side length is increased by a stated amount.
Where this fits
What leads into this objective, and where it goes next.
You are here
Perimeter (shapes with straight edges only)
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
Also under GM4-3:
For teachers
Need the fuller teaching notes for this objective? Open the Teacher guidance PDF.