Te reo Māori terms
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Learning objective overview
Master Teaching Guide coverage for this objective.
Current NZC (2007)
NA5-7
New NZC (2026)
NZC26-P4-ALG-ER-P-Y9-06
Resources
- CorbettMaths - Changing the SubjectQuestions PDF · Answers
- Dr Austin Maths - Harder Rearranging Formulae Practice GridQuestions PDF · Answers
Terminology
- Rearrange
- Change the subject
- Subject
- Formula
- Isolate
- Inverse operation
- Factorise
Task goals
- Rearrange a simple one-step formula to make the required letter the subject, where that letter appears once with no fraction, bracket, or power involved.
- Rearrange a formula to make the required letter the subject when it appears once inside a fraction.
- Rearrange a formula to make the required letter the subject when it appears once inside a bracket.
- Rearrange a formula to make the required letter the subject when it appears once as a square or under a square root.
- Rearrange a formula to make the required letter the subject when it appears more than once, by collecting the terms containing it and factorising.
- Check a rearranged formula is correct by substituting matching values into both the original and the rearranged form and confirming they agree.
Where this fits
What leads into this objective, and where it goes next.
You are here
Rearranging Formulae (Changing the Subject)
Do
Rearranging formulae (e.g. solving P = 2l + 2w for w)
Statement▸
Year 9 · Algebra · Equations and relationships
NZC26-P4-ALG-ER-P-Y9-06
Also under NA5-7:
For teachers
Need the fuller teaching notes for this objective? Open the Teacher guidance PDF.