Lesson 26 Chunking in algebra
Lesson plan
Piagetian Level | Learners Thinking and abstract of the activity | ||
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3 B Mature Formal |
![]() Writes general expression for the cost of the scarves, distinguishing between constants and variables |
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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. |
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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 |
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Middle concrete |
Episode 1 Chunking of numeric expressions |
Episode 2 Chunking of linear expressions |
Episode 3 Multiple variable and quadratic expressions |