CK-12 Foundation
Ck 12: Elem Math: Identifying Greater and Lesser Amounts
[Free Registration/Login may be required to access all resource tools.] The interactive resource is a series of questions where students have to determine which monetary value is greater than, less than, or in between the given values.
CK-12 Foundation
Ck 12: Elem Math: Expressing an Equivalent Decimal Ending in Zero to Thousandths
[Free Registration/Login may be required to access all resource tools.] The video describes how to add zeros as place holders at the end of a decimal to make an equivalent decimal out to the thousandths place value in this example.
Educaplus (Jesús Peñas Cano)
Educaplus: Fracciones
In this simulation you can compare fractions with decimals on a given number line.
The Math League
The Math League: Percent & Probability
This tutorial gives definitions and examples of percents and probability and covers percent as a fraction and percent as a decimal.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Multiplying and Dividing by Powers of 10: The Meaning of Percent
This excellent math resource explains and defines the meaning of percent. Multiplying and dividing by a power of 10 is incorporated as a preview to understanding scientific notation.