Lesson 12 Functions
Lesson plan
| Piagetian Level | Learners Thinking and abstract of the activity | ||
|---|---|---|---|
| 3 B Mature Formal |
 |
||
| Expressing a relationship in terms of generalised number | |||
| 'the relationship is O = 5 x I' | |||
| 3A Early Formal |
  |
'there has to be 5 times as many cogs on the input wheel as the output' |
|
| 'input 10 would give you 50' | |||
| 2B* Concrete Generalisation |
 |
'5 to 15 is 10 more, so you add 10 to 25 to get 35' | 'the slope is the same at every point' 'it is a straight line' |
 'output goes up in 5s' |
|||
| Mid concrete |
Episode 1 This cog pair |
Episode 2 Coordinating relations |
Episode 3 Graphing and expressing |