# Designing Candy Cartons

**Lesson Plan:** A problem-solving activity involving 3D shapes and nets.

Subject: | Mathematics. |
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Age of students: | 11-14 years. |

Hardware: | iPads (1 per class or student). |

Software: | Socrative or Classflow, Apple airsever or Showme and Reflector software. |

Functionalities of Technology: | Sending and Displaying, Processing and Analysing. |

Time needed: | 3 hours. |

FaSMEd Partner: | University of Newcastle upon Tyne. |

**Summary:**

This lesson is intended to help you assess how well students are able to:

- Select appropriate mathematical methods to use for an unstructured problem.
- Interpret a problem situation, identifying constraints and variables, and specify assumptions.
- Work with 2- and 3-dimensional shapes to solve a problem involving capacity and surface area.
- Communicate their reasoning clearly.

**Resources:
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**Note:**

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.