How can you use a number line to compare values?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Select the two pairs of figures that are similar.