Stage 4 · Probability · Determine probabilities for complementary events · Topic: Probability · Year 7, 8

Identify and describe the complement of an event

Dot point ID k-10-2022-stage-4-probability/prb-dpc-stg4-01 · NESA code MA_K_10_CP_PRB_DPC_STG4_01 · See it on the NSW Curriculum website ↗

Outcomes for this focus area (MA4-PRO-C-01)

MA4-PRO-C-01 solves problems involving the probabilities of simple chance experiments

Core resources for this dot point

On-level resources, grouped by type. Need the building blocks? Use Support. Ready for more? Use Enrich.

Interactive toolStarter
Maths Is Fun: Complement of an event
Maths Is Fun · Interactive (browser) · Free · Link checked 2026-10-15 · No prep
Use it for: P(not A) = 1 - P(A) explained.
Also tagged to: Verify that the sum of the probability of an event and its c…

Checked resources for Probability as a whole (not mapped to a single dot point).

Unit/Planning
Stage 4 Unit 1 – making predictions (sample unit of learning)
NSW Department of Education · Sample unit (DOCX) · Editable document · Free · Link checked 2026-10-15 · Australian context, Editable, Teacher notes
Outcome codes found in document: MA4-FRC-C-01, MA4-PRO-C-01