When twelfths are taught, show the relations between twelfths and sixths, fourths, thirds, and halves.
Equal Fractions in Different Forms
Have the children see how fractions may differ in form but still remain the same in value.
Begin with his knowledge of smaller fractions as
12, 24, 36, 48, and 510 of an apple.
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,
38, 271⁄2, 511, 1920, 2020, 1816, 115, 31⁄2, 162⁄3