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

Rectangle 5 is how many units long?

How many units wide or high?

How many squares does it contain?

How many squares in that part which is three units long, o p, and one unit wide, o t?

The second unit in width, t q, gives how many more squares? How many times three squares?

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

How many times three squares?

If it were four units wide, how many times three squares would there be?

Rectangle 6 is how many units long?

How many units high or wide?