Fraction Estimator: Practice Estimating Place Value of Fractions Under 1

① This applet randomly generates a fraction less than 1 and asks the user to estimate its position (place value) on a number line between 0 and 1, providing interactive practice in fraction comparison and estimation. ② Core mathematical concepts include the place value of fractions, the correspondence between fractions and points on a number line, and intuitive understanding of fraction magnitude. ③ Construction highlights: The applet uses GeoGebra's Random command to generate numerator and denominator, and FractionText to display the fraction as text; objects include buttons (button1, button2) for generating new fractions or revealing answers, multiple text objects (text1 to text11) for prompts and feedback, and points (B, C, M, K, L) and segments (d, e, f, g) to build the number line and markers. ④ Suitable for upper elementary to middle school students, this applet reinforces fraction concepts and estimation skills, and serves as an interactive classroom exercise.