Begin with his knowledge of smaller fractions as

1 2 3 4 5

-, -, -, -, and -- of an apple.

2 4 6 8 10

Let them show by the use of drawings that fractions may have large or

small terms but be equal in value.

Write a number of proper fractions, improper fractions, and mixed

numbers, and have the children pick out those of each kind; as,

3 5 19 20 18 11

-, 27-1/2, --, --, --, --, --, 3-1/2, 16-2/3

8 11 20 20 16 5

The Circle of Knowledge: A Classified, Simplified, Visualized Book of Answers · 第 1156 / 1638 题