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

Solve problems involving the probability of complementary events

Dot point ID k-10-2022-stage-4-probability/prb-dpc-stg4-03 · NESA code MA_K_10_CP_PRB_DPC_STG4_03 · 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.

VideoStarter
Corbettmaths video: Probability: not happening
Corbettmaths · Video · Free · Link checked 2026-10-15 · No prep
Use it for: Short worked-example video on probability: not happening to model the method before practice or for flipped revision.
Also tagged to: Verify that the sum of the probability of an event and its c…
VideoStarter
Eddie Woo (WooTube): Basic Probability playlist
Eddie Woo – WooTube (YouTube) · Video · Free · Link checked 2026-10-15 · No prep
Use it for: Sydney teacher Eddie Woo's recorded lessons on probability; play a clip to model a method or for revision.
Also tagged to: Express the probability of an event, which has a finite numb…; Determine the probabilities of outcomes for multistage indep…

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