College second-year Maike Anthony is a two-time Guinness World Record-holder. In 2022, as a high school student in Brazil, he ...

The aim of this guide is to show how to add decimals with a different number of decimal places. We will focus on the formal written method. Let's look at some examples. Set out the calculation, making ...

Learn how to subtract decimals that have a different number of decimal places. Let's set out the calculation as a column subtraction. When we set out a column subtraction we make sure our ones, tenths ...

To understand why classrooms look so different today, it helps to trace how teaching methods have evolved. From the rise of ...

Teachers aren’t often taught to look at math learning as a whole, a progression of skills that takes students through elementary math, beginning with learning to count and ending up in fractions and ...

Math also has its own grammar—decimal points, commas, parentheses, and brackets, for example, all have meanings distinct from those in an English/language arts class.

Indeed, Pi Day isn’t just about numbers -- it’s about having fun with math, and in the case of Dr. Washington’s colleague, it’s a day to demonstrate their pi prowess.

A theory is proposed for how students develop competence with the written symbols of decimal fractions. The theory views competence as the cumulative and sequential mastery of four separate cognitive ...