# Lesson overview:Converting between units of length in the context of perimeter

- In this lesson, we will model problem solving activities where we must work out the perimeter of shapes with different units and then create designs involving constraints.

## Core Content

- In this lesson, we will model problem solving activities where we must work out the perimeter of shapes with different units and then create designs involving constraints.

## Converting units of measure:

- Converting between seconds, minutes and hours
- Solving problems involving converting between seconds, minutes and hours
- Converting between units of time
- Solving problems involving converting between units of time
- Converting between units of length
- Converting between metric units of length
- Solving problems involving converting between metric units of length
- Converting between units of length in the context of perimeter
- Converting between miles and km
- Solving problems involving converting between miles and km
- Converting between units of metric mass
- Solving problems involving converting between units of metric mass
- Understanding pounds and converting kilograms to pounds
- Solving problems involving the conversion between lb and kg
- Solving problems involving various units of measure