Profit and Loss
Students will calculate percentage profit and loss, and determine original values after a percentage change in business scenarios.
Key Questions
- How do businesses use percentage markups to ensure they cover costs and generate profit?
- What is the mathematical difference between a discount and a rebate?
- Justify why calculating profit/loss as a percentage of cost price is often preferred.
ACARA Content Descriptions
About This Topic
Interactive Storytelling moves beyond the linear 'beginning, middle, end' to explore narratives where the audience has agency. In Year 9, students design non-linear experiences for games, apps, or interactive films. This topic aligns with ACARA's focus on using digital technologies to create complex, multi-layered media artworks.
Students learn to create 'branching narratives' where user choices lead to different outcomes. This requires a high level of logical thinking and empathy, as students must anticipate how an audience might react. This topic is best taught through collaborative problem-solving and 'paper prototyping', where students map out their stories physically before moving to digital tools, ensuring the narrative logic is sound through peer testing.
Active Learning Ideas
Inquiry Circle: Branching Maps
Using large sheets of paper and sticky notes, groups map out a 'Choose Your Own Adventure' story. They must ensure every choice leads to a logical conclusion and that there are no 'dead ends' in their narrative.
Simulation Game: The User Test
Students act as 'players' for another group's paper prototype. They make choices and the 'creators' must manually move them through the story, noting where the player got confused or where the story felt most engaging.
Think-Pair-Share: The Ethics of Choice
Students discuss a game where they had to make a 'moral' choice. They share with a partner how that choice made them feel more (or less) connected to the story compared to a movie where they have no control.
Watch Out for These Misconceptions
Common MisconceptionInteractive storytelling is just for video games.
What to Teach Instead
It is used in marketing, education, and interactive documentaries. Active workshops on 'branching paths' show students how these techniques apply to many digital platforms.
Common MisconceptionYou need to be a coder to make an interactive story.
What to Teach Instead
The core of the work is the narrative design. Tools like Twine or even hyperlinked Google Slides allow students to focus on the 'story' rather than the 'code'.
Suggested Methodologies
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Frequently Asked Questions
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Planning templates for Mathematics
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
unit plannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
rubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
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