A rational number is a ratio of two integers. Discuss with your class how to convert the rational numbers of repeating decimals to fractions. A good commentary on letting x equal the repeating decimal and multiplying each side of...

It's more than just numbers on a line, its an organizational, mental math machine to help learners understand the value of numbers. The tool is handy when introducing positive and negative integers to see their values and...

Coming up with a menu of engaging year-end projects can be a challenge. Never fear, help is here with an article that suggests eight projects sure to capture the interest of learners of all ages.

This is a complete lesson with a video [7:56], instruction, and exercises about dividing decimals by decimals.

A tutorial explaining how to divide a decimal by a decimal.

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.