Big Number Operations is a Delphi-based project that aims to handle numbers that are too large to be stored as integers. These large numbers, also known as "Big Numbers", are stored as strings and are ...

In a cross-sectional study, 160 students in Grades 2, 4, 7, and 11 were interviewed about their reasoning when solving integer addition and subtraction open-number-sentence problems. The authors ...

I thought a student I work with would find it useful to improve their fluency at addition, subtraction and multiplication of small signed integers. I also thought that there would be many websites ...

This article presents the results of a 7th-grade classroom teaching experiment that supported students’ understanding of integer addition and subtraction. The experiment was conducted to test and ...

Here you will find a video about addition and subtraction. Watch this, and then test your knowledge with a short quiz before exploring the rest of the collection. This section contains videos from our ...

Representing integers on number line. Negative, positive numbers... Representing integers on number line. Negative, positive numbers and zero. Math chart for addition and subtraction operations in ...

Abstract: This paper presents a unified logic for flagged prefix addition-subtraction that eliminates the need to perform constant addition and subtraction in two separate blocks. The logic is based ...