Lesson 26 Chunking in algebra

Lesson plan

Piagetian Level Learners Thinking and abstract of the activity  
3 B
Mature
Formal






Writes general expression for the cost of the scarves, distinguishing between constants and variables
3A
Early
Formal
Applies brackets to finding the mathematical expression of Q. 5 and 6

Finds meaning for each chunk in Q. 3, after writing formal expression for Q. 2
Applies multiplication by parts to the decimal calculations: Q. 4-6.

Explains Q. 3

Q. 1 and 2: application of chunking



Solves linear equation in Q. 4 without using brackets.
2B*
Concrete
Generalisation
9.5+8.2+1.5+1.8+0.2+6.5+0.5

9.5+1.5 and 1.8+0.2 and 8.2 and 6.5+1.5

11+2+8+8.2

Q. 1 to 3: Uses chunking in 2 term expression
Writing an informal expression for Q. 1 and 2

2B
Mature
concrete
Middle
concrete
Episode 1
Chunking of numeric expressions
Episode 2
Chunking of linear expressions
Episode 3
Multiple variable and quadratic expressions

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

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