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Lesson Plan: A problem-solving activity about understanding the ratio concept and mathematical reasoning.

Subject: Mathematics.
Age of students: 11-14 years.
Hardware: Tablets (iPad 1 per class or student).
Software: Socrative or Classflow + Apple airserver,
OR Showme and Reflector,
OR Plickers.
Functionalities of Technology: Sending and displaying,
Processing and analysing.
Time needed: 2-3 hours.
FaSMEd partner: University of Newcastle Upon Tyne.

This lesson is intended to help you assess how well students are able to solve a real-world modeling problem. There are several correct approaches to the problem, including some that involve proportional relationships.


This tool describes ways in which digital technology can be used to support formative assessment. The original materials (pen-and-paper) were designed by the Mathematics Assessment Project and can be found under the link above.

Formative assessment in Science and
Mathematics Education (FaSMEd)
The Research Centre for Learning and Teaching
Newcastle University