These lessons follow Study of Fractions and Study of Decimals. They may precede Percentage, or they may be presented as an introduction to percentage. A study of Ratio and Proportion prepares the child for the practical use of percentage; every case of percentage; can be fit into a workable ratio and solved through the use of a proportion equation.
The origins of mathematics arose from the needs of people. Only after math had been used as a tool for unknown ages were rules (algorithms) generated. Thus, the
abstraction of algorithms came only after the practical application of the operations. Today, however, the study of mathematics often begins with a study of the algorithms. The child needs the concrete experience before the abstract algorithms. Throughout history humankind has learned by:
This manual covers the introduction to the concept, quantity and symbols of fractions, the four operations and equivalency relating to fractions.
133 pages