Adding and Subtracting Signed Integers on a Number Line by Elen

This example demonstrates addition and subtraction of signed integers using a number line. Key mathematical concepts include integer arithmetic, number line representation, and sign significance. Construction involves using GeoGebra commands like Point, Vector, and Text to create the number line, mark points, draw vectors, and add labels. Suitable for middle school students learning integer operations and number line concepts, useful for math teaching and self-study.