# Lesson overview:To begin to understand standard units of length

## Measures (1): Length and mass:

- To compare lengths and heights of objects
- To measure lengths using non-standard units (Part 1)
- To measure lengths using non-standard units (Part 2)
- To begin to understand standard units of length
- To solve problems involving doubling and halving
- To compare the mass of two objects
- To compare the mass of more than two objects
- To compare masses using non-standard units
- To find the mass of objects in units
- To experience standard units of mass