Estimate lengths and distances to the nearest metre and check by measuring

1. The Mouse Trap 1 - measure with and count 1m units
2. Under the Ruler 2 - measure to the nearest m
3. Under the Ruler 1 - measure to the nearest m
4. Height of a House - measure and count using m units
5. That's Far Enough 3 - measure with and calculate length in units of 2m