Down applet shows how to mark square roots of the natural numbers on the number line.[br][br]Click the animation button in the left-down angle of the applet to start animation. Also, you can stop the animation by clicking the same button.[br]Instead of using animation button, you can click the 'steps' slider and push plus + on the keyboard more times. If necessary, you can use minus - on the keyboard as well.[br][br]Can you make this construction on the paper?