Victor wants to make sure that he has drawn a right angle. What instrument does he need?

Yaya Dub wants to sew a shirt for her Lola. What instrument will she use to measure Lola’s skirt?

“A kilo of iron is heavier than a kilo of cotton,” said Cardo. “You are wrong,” said Alyana. What instrument does Alyana need to prove that she is right?

Pirena wants to find out how tall she is now. What instrument does she need?

It describes how long something is. Distance, height, thickness, and depth also use the same units.

It describes how heavy something is.

It describes how long it takes to do something.

It describes how much surface is occupied by something

It describes how much space (or liquid) is occupied (or contained) by something.