Lesson Flow · Mathematics
Outcome
GT.4 · Geometry and trigonometry · Trigonometric ratios
evaluate and use trigonometric ratios (sin, cos, and tan, defined in terms of right-angled triangles) and their inverses, involving angles between 0° and 90° at integer values and in decimal form
Ordinary and Higher; official source identifies Higher-level-only extensions where applicable · Junior Cycle Mathematics current specification
| 1. Retrieve | Prior knowledge and confidence check. |
| 2. Know | Clear explanation, vocabulary and model. |
| 3. Explore | Read, listen, watch, map, investigate or interact. |
| 4. Do | Create, calculate, classify, discuss, model or explain. |
| 5. Check | One formative check linked to the selected outcome. |
| 6. Improve | Feedback, retry, edit or explain again. |
| 7. Save | Store useful evidence against the outcome. |
| 8. Return | Next question, lesson or back to iLEARN. |