Support · Stage 5 · Probability A
Support Associate complementary events with probabilities in multistage chance experiments
Resources for the prerequisite content of this dot point: earlier-stage (or earlier sub-level) dot points in the same strand that students usually need first. Use these to fill gaps before or alongside the core lesson.
Prerequisite links are draft mappings generated from the syllabus structure (earlier stage, same strand, closest content). They are being reviewed by teachers. Spot a poor match? Tell us.
Prerequisite dot points
Solve problems involving the probability of complementary events
Stage 4 · Probability Draft mapping
- Corbettmaths practice questions: Probability: OR ruleUse it for: Free printable graded practice questions (with answers) on probability: or rule for drill or a quick check.
- VideoStarterCorbettmaths video: Probability: not happeningUse it for: Short worked-example video on probability: not happening to model the method before practice or for flipped revision.
- VideoStarterEddie Woo (WooTube): Basic Probability playlistUse it for: Sydney teacher Eddie Woo's recorded lessons on probability; play a clip to model a method or for revision.
Identify and describe the complement of an event
Stage 4 · Probability Draft mapping
- Interactive toolStarterMaths Is Fun: Complement of an eventUse it for: P(not A) = 1 - P(A) explained.
Verify that the sum of the probability of an event and its complement is a total of 1
Stage 4 · Probability Draft mapping
- Interactive toolStarterMaths Is Fun: Complement of an eventUse it for: P(not A) = 1 - P(A) explained.
- Corbettmaths practice questions: Probability: OR ruleUse it for: Free printable graded practice questions (with answers) on probability: or rule for drill or a quick check.
- VideoStarterCorbettmaths video: Probability: not happeningUse it for: Short worked-example video on probability: not happening to model the method before practice or for flipped revision.