This is lesson 4 of 6 from the Numeration 1-10 manual. The lesson uses the spindles and spindle boxes. The Direct Aims are: The spindles clarify the idea that the symbols represent a certain quantity of separate objects. To introduce the concept of zero and its symbol. To reinforce the natural sequence of the numerals. To show nine as the first group in our decimal system, not ten. The indirect Aim is: Unconscious preparation for the decimal and metric systems. To move closer to abstraction