Lesson 3 Number lines galore

Lesson plan

Piagetian Levels Learners Thinking and abstract of the activity  
3A
Early
Formal
2B*
Concrete
Generalisation


'If I add I make it bigger. With a -ve number it's going down, so if I subtract it must be going up

' Realising that with negative numbers direction of addition and subtraction inverts




Subtract larger from smaller creates a number called 'negative'.


"below 0"






Equal interval scale
Finding an expression for converting Fahrenheit to Celsius

Relative size of numbers
2B
Mature
concrete
Mid
concrete
Episode 1
Three number-lines

Episode 2
Constructing a number scale

Episode 3
Temperature scales

License

Thinking Mathematics Lessons Copyright © by Michael Shayer and Mundher Adhami. All Rights Reserved.

Share This Book