Who doesn't like building blocks? In the task, pupils use a given diagram of a tower to determine the number of needed blocks. Using this information, pupils then develop a function rule relating the height of the tower to the number of needed blocks.

Concepts

functions, function rule, patterns

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Additional Tags

math

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Instructional Ideas

• Use actual blocks to model a simpler tower for learners struggling with the task
• Convert the assessment task into a classroom activity

Classroom Considerations

• Learners need to have prior experience writing functions to model situations

Pros

• The first two questions provide scaffolding for the last, more abstract question
• Resource includes a scoring rubric and examples of student work

Cons

• Although the task provides an alignment to the A-CED domain, pupils do not need to write any equations
• Scoring guide may be confusing

Common Core

HSA-CED.A.1 HSA-CED.A.2 HSA-CED.A.3 HSA-CED.A.4 HSF-BF.A.1.a HSF-BF.A.1.b HSF-BF.A.1.c HSF-BF.A.2 MP2 MP3 MP6 MP7