Marks' first lessons in geometry / In two parts. Objectively presented, and designed for the use of primary classes in grammar schools, academies, etc.

by Bernhard Marks

How many squares in that part which is four units long and one high?

How many times four squares in that part which is four long and two high?

How many times four squares when it is four long and three high?

If another unit were added to the height, how many more squares would be added?

How many times four squares would there be?

If a rectangle were five units long and one unit wide, how many square units would it contain?

If it were two units wide, how many times five square units would it contain?

If it were three units wide? Four? &c.

If your ruler is ten inches long and only one inch wide, how many square inches are there in it?

If it were two inches wide, how many times ten square inches would it contain?