Numbers can be represented on a number line.[br]Besides whole numbers 1, 2, 3 and so on, decimal numbers also exist between 1 and 2.[br]Use Zoom In (middle scroll mouse button) to see what numbers there are.[br][br]You can click on the point A and drag the point to change its position, with your mouse.[br][br]So try to locate 1.1, 1.25, 1.585[br][br]Do you think 1.5859 exist? Show your teacher where you think that might be on the number line.

Other examples of number line tools (non Geogebra)[br][url=https://www.mathsisfun.com/numbers/number-line-zoom.html]https://www.mathsisfun.com/numbers/number-line-zoom.html[/url][br][br]A comprehensive number line tool at [br][url=https://apps.mathlearningcenter.org/number-line/]https://apps.mathlearningcenter.org/number-line/[br][/url][br]See [url=http://www.antonija-horvatek.from.hr/applets/decimal-numbers/1-Decimal-numbers-on-the-number-line.htm]http://www.antonija-horvatek.from.hr/applets/decimal-numbers/1-Decimal-numbers-on-the-number-line.htm[/url] for Antonija Horvatek's excellent webpage lesson on Decimals on a number line.[br]