If your arithmetic-cover is seven inches long and five inches wide, how many square inches are there in it?
If a wall of this room is twenty feet long, how many square feet are there in that part which is one foot high? Two high? Three high? Four high?
If the same wall is sixteen feet high, how many square feet in it?
Fig. 5 has how many times three squares?
Fig. 7 has how many times two squares?
Which has the greater number of squares?
What difference is there between two times three squares and three times two squares?
