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 ...

Launched in July, the MDA has introduced a toolkit titled ‘Count on Me’, designed primarily to support children with ...

Students in Melissa Williams' kindergarten class at the Westminster School in Atlanta, Georgia, practice connecting quantities to written numbers — a key part of number sense. Credit: Holly Korbey for ...

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

Includes updates and/or revisions. New research shows a lack of language skills can hamstring a student’s ability to understand basic concepts in mathematics. A series of studies led by Susan ...

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 ...