1.	Pencil A is 4 units long. Pencil B is 7 units long. Which pencil is longer? Pencil A Pencil B Pencil C
	2.	Pencil A is 4 units long. Pencil B is 7 units long. Pencil C is 5 units long. Which is the longest pencil? Pencil A Pencil B Pencil C

3.	Nail is the shortest. It is units long.
4.	Nail is the longest. It is units long.
5.	Nail is shorter than nail C by units.
6.	Nail C is longer than nail A by units.
7.	The length of nail A and nail B together is units.