Dividing is the opposite of multiplying. When you divide a decimal number by 10, 100 and 1000, the place value of the digits in the number decrease. Place value is the position of a digit in a number.

To many people, school mathematics is virtually a phenomenon of nature. It seems timeless, set in stone—ard to change and perhaps not needing to change. But the school mathematics education of ...

Many students find math challenging, especially when dealing with fractions, decimals, and percentages. Mastering the conversion between these forms simplifies calculations and enhances understanding.

In this chapter, we look beyond the whole numbers at other numbers that are included in school mathematics in grades pre-K to 8, particularly in the upper grades. We first look at the rational numbers ...