Year 8 · 2A · Lesson 1
Types of Angles
Delivered: Monday 26 October 2026.
Acute, right, obtuse, straight, reflex and revolution angles. Classify and justify angle types using degree measures.
Teaching materials and delivery record
Three Year 8 angle lessons and one Year 9 parabola lesson.
Each session uses approximately 15 minutes of explicit teaching before practice or consolidation. The slide presentations and interactive demonstrations open directly in the browser — no Gamma account or credits are needed.
Year 8 · 2A · Lesson 2
Angle Relationships
Scheduled: Tuesday 27 October 2026.
Complementary, supplementary, vertically opposite and angles around a point. Find missing values with mathematical reasons.
Year 8 · 2A · Lesson 3
Compass Bearings
Status: Resources prepared; teaching date not yet confirmed.
Eight-point compass, three-digit clockwise bearings from North, direction changes and mathematical reasoning.
Year 9 · Mathematics
Introduction to Parabolas & Dilation
Scheduled: Tuesday 27 October 2026.
Explore the basic parabola, vertex, symmetry, vertical stretch/compression, reflection and translation. Adjust graphs live as students predict what changes.
Evidence integrity: These are planning, presentation and practice resources; they do not show identifiable student work or imply achievement outcomes. Only Lesson 1 is confirmed delivered. Other session statuses reflect prior plans or resources prepared; they should be updated when teaching is confirmed. Presentations are web slides with fullscreen and print-to-PDF options; original offline PowerPoint files are maintained separately.
Why interactive demonstrations?
Students can see the mathematics change.
Model
Show the correct diagram or graph and think aloud about its mathematical properties.
Predict
Hide answers, ask students to justify their predictions, then adjust the angle or parabola together.
Check
Use guided questions and independent worksheet responses as formative assessment evidence.