CHECKED _____________
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Short-term plan for geometry in Grade 8
| Unit | Areas |
| Teacher’s name | ____________________ |
| Date | _____________ |
| Class | Grade 8 Attendance: _____ Absent: _____ |
| Lesson topic | Area of a figure and its properties |
| Learning objectives covered in this lesson (curriculum reference) | 8.1.3.9 Know the definition of the area of a polygon and its properties; 8.1.3.10 to know the definitions of equal and equidistant figures |
| Lesson goal |
|
| Value for integration | Law and order |
Lesson flow
| Lesson stage / Time | Teacher actions (complete prompts and instructions) | Student actions | Assessment (criteria • descriptors • points) | Resources |
|---|---|---|---|---|
| Lesson opening (5 min) Engagement (Rapid Challenge) |
Teacher: "Good morning! Let's start with a 2-minute visual sprint. I will show you three pairs of figures on the screen. Your task is to decide, just by looking, which figure in each pair you think has a larger 'occupied space' or 'surface'. Don't calculate, just guess! Ready? (Show slides). Time starts now!"
After timer: "Let's see. For pair A, who thinks the rectangle is larger? The triangle? Interesting. We all used intuition about 'size'. Today, we will give this intuitive concept a precise name, definition, and rules—just like laws in society that bring order. That concept is 'Area'." |
Students observe the figures (e.g., a tall thin rectangle vs. a short wide one, two different parallelograms, a simple and a complex polygon of similar footprint). They raise hands or call out their intuitive guesses. They engage in quick thinking and prepare to transition to the lesson topic. | Descriptors: The student participates in the challenge, offers a guess, and shows readiness to move from intuition to formal learning. No points. |
Projector/Screen, Timer (online or physical), Prepared slides with figure pairs. AI Tool: AI-generated image set (e.g., via DALL-E or Canva AI) creating visually deceptive area comparisons to spark discussion. |
| Откроется после регистрации: Lesson middle (20-25 min) · Lesson end (5-10 min) · Reflection (5 min) | ||||